{"id":150351,"date":"2025-10-21T11:46:58","date_gmt":"2025-10-21T10:46:58","guid":{"rendered":"https:\/\/www.exseedhealth.com\/?p=150351"},"modified":"2025-10-24T09:43:38","modified_gmt":"2025-10-24T08:43:38","slug":"blue-light-testosterone-fertility","status":"publish","type":"post","link":"https:\/\/www.exseedhealth.com\/sv\/blue-light-testosterone-fertility\/","title":{"rendered":"Bl\u00e5tt Ljus &amp; Sk\u00e4rmtid - Testosteron Fertilitet"},"content":{"rendered":"<p>Sk\u00e4rmar \u00e4r en del av det dagliga livet, telefoner, b\u00e4rbara datorer, TV-apparater, surfplattor. Men sk\u00e4rmtid sent p\u00e5 kv\u00e4llen och exponering f\u00f6r bl\u00e5tt ljus kan s\u00e4nka testosteronet och p\u00e5verka din fertilitet mer \u00e4n du tror.<\/p>\n<p>De flesta m\u00e4n vet att kost, motion och s\u00f6mn p\u00e5verkar hormonerna - men f\u00e5 inser att ljusexponering ocks\u00e5 g\u00f6r det. Faktum \u00e4r att sambandet mellan bl\u00e5tt ljus och testosteron \u00e4r en av de mest f\u00f6rbisedda faktorerna n\u00e4r det g\u00e4ller m\u00e4ns h\u00e4lsa idag. V\u00e5ra kroppar f\u00f6rlitar sig p\u00e5 en naturlig ljus-m\u00f6rker-cykel f\u00f6r att reglera hormonproduktionen. N\u00e4r artificiellt ljus st\u00f6r den rytmen kan testosteronniv\u00e5erna och spermiekvaliteten sjunka \u00f6ver tid.<\/p>\n<blockquote><p>\ud83d\udca1 <em>Snabbfakta:<\/em> Bl\u00e5tt ljus i sig \u00e4r inte skadligt - problemet \u00e4r tidpunkten. P\u00e5 natten signalerar det \"dagtid\" till din hj\u00e4rna, vilket f\u00f6rsenar s\u00f6mnen och s\u00e4nker viktiga hormoner.<\/p><\/blockquote>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-150418\" src=\"https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/blue-light-testosterone-melatonin-suppression-exseed.png\" alt=\"Illustration av en man som ligger i s\u00e4ngen p\u00e5 natten och anv\u00e4nder en smartphone. Bl\u00e5tt ljus fr\u00e5n sk\u00e4rmen lyser upp hans ansikte med pilar som visar processen: exponering f\u00f6r bl\u00e5tt ljus leder till att melatoninet h\u00e4mmas, l\u00e4gre testosteronhalt och s\u00e4mre spermiekvalitet.\" width=\"757\" height=\"757\" srcset=\"https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/blue-light-testosterone-melatonin-suppression-exseed.png 1024w, https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/blue-light-testosterone-melatonin-suppression-exseed-300x300.png 300w, https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/blue-light-testosterone-melatonin-suppression-exseed-150x150.png 150w, https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/blue-light-testosterone-melatonin-suppression-exseed-768x768.png 768w, https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/blue-light-testosterone-melatonin-suppression-exseed-12x12.png 12w, https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/blue-light-testosterone-melatonin-suppression-exseed-700x700.png 700w, https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/blue-light-testosterone-melatonin-suppression-exseed-600x600.png 600w, https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/blue-light-testosterone-melatonin-suppression-exseed-100x100.png 100w\" sizes=\"(max-width: 757px) 100vw, 757px\" \/><\/p>\n<h2 id=\"what-is-blue-light-\">Vad \u00e4r bl\u00e5tt ljus?<\/h2>\n<p>Bl\u00e5tt ljus \u00e4r en <strong>synligt ljus med h\u00f6g energi (HEV)<\/strong> som avges av digitala sk\u00e4rmar, LED-lampor och till och med solljus. Under dagen hj\u00e4lper det till att reglera vakenhet och hum\u00f6r. Men p\u00e5 natten kan samma ljus <strong>st\u00f6ra melatoninproduktionen<\/strong> - hormonet som hj\u00e4lper dig att sova och st\u00f6der testosteronsyntesen.<\/p>\n<p>Enligt uppgift fr\u00e5n <a href=\"https:\/\/www.health.harvard.edu\/staying-healthy\/blue-light-has-a-dark-side\" target=\"_blank\" rel=\"noopener noreferrer\">Harvard Health<\/a>Bl\u00e5 ljus undertrycker melatonin starkare \u00e4n n\u00e5gon annan v\u00e5gl\u00e4ngd, vilket g\u00f6r att kroppen tror att det fortfarande \u00e4r dag \u00e4ven efter midnatt.<\/p>\n<h3 id=\"how-it-affects-hormones\">Hur det p\u00e5verkar hormoner<\/h3>\n<ul>\n<li>Exponering nattetid f\u00f6rdr\u00f6jer fris\u00e4ttningen av melatonin.<\/li>\n<li>L\u00e5g melatoninhalt \u00f6kar <strong>kortisol<\/strong>, stresshormonet.<\/li>\n<li>F\u00f6rh\u00f6jt kortisol undertrycker <strong>Testosteron<\/strong>.<\/li>\n<\/ul>\n<p>L\u00e4s mer i <a href=\"https:\/\/www.exseedhealth.com\/sv\/how-does-sleep-affect-fertility\/\" target=\"_blank\" rel=\"noopener noreferrer\">ExSeed's guide till s\u00f6mn och fertilitet<\/a>.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-150420\" src=\"https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/Daily-Cycles-of-Melatonin-and-Testosterone-Chart.png\" alt=\"Linjediagram som j\u00e4mf\u00f6r normala och st\u00f6rda dagliga cykler av melatonin och testosteron. De normala linjerna n\u00e5r sin topp p\u00e5 natten f\u00f6r melatonin och p\u00e5 morgonen f\u00f6r testosteron, medan de st\u00f6rda linjerna \u00e4r utplattade och f\u00f6rskjutna.\" width=\"757\" height=\"757\" srcset=\"https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/Daily-Cycles-of-Melatonin-and-Testosterone-Chart.png 1024w, https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/Daily-Cycles-of-Melatonin-and-Testosterone-Chart-300x300.png 300w, https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/Daily-Cycles-of-Melatonin-and-Testosterone-Chart-150x150.png 150w, https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/Daily-Cycles-of-Melatonin-and-Testosterone-Chart-768x768.png 768w, https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/Daily-Cycles-of-Melatonin-and-Testosterone-Chart-12x12.png 12w, https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/Daily-Cycles-of-Melatonin-and-Testosterone-Chart-700x700.png 700w, https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/Daily-Cycles-of-Melatonin-and-Testosterone-Chart-600x600.png 600w, https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/Daily-Cycles-of-Melatonin-and-Testosterone-Chart-100x100.png 100w\" sizes=\"(max-width: 757px) 100vw, 757px\" \/><\/p>\n<h2 id=\"how-blue-light-affects-testosterone\">Hur bl\u00e5tt ljus p\u00e5verkar testosteronet<\/h2>\n<p>Testosteronet n\u00e5r sin topp p\u00e5 morgonen och sjunker under dagen. D\u00e5lig s\u00f6mn eller exponering f\u00f6r sk\u00e4rmar sent p\u00e5 kv\u00e4llen kan g\u00f6ra den rytmen plattare.<\/p>\n<p>En studie visade att <strong>bl\u00e5tt ljus f\u00f6re s\u00e4ngg\u00e5endet minskar melatonin och f\u00f6rdr\u00f6jer dygnsrytmen<\/strong>, f\u00f6rs\u00e4mrad vakenhet n\u00e4sta dag (<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25535358\/\" target=\"_blank\" rel=\"noopener noreferrer\">PMID: 25535358<\/a>).<\/p>\n<p>En annan studie visade att <strong>bara en veckas begr\u00e4nsad s\u00f6mn s\u00e4nkte testosteronet med upp till 15%<\/strong> hos unga m\u00e4n (<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/21486980\/\" target=\"_blank\" rel=\"noopener noreferrer\">PMID: 21486980<\/a>).<\/p>\n<p>Detta h\u00e4nder eftersom testosteron produceras mestadels under <strong>djup s\u00f6mn<\/strong>. N\u00e4r exponering f\u00f6r bl\u00e5tt ljus f\u00f6rsenar eller fragmenterar detta stadium sjunker hormonniv\u00e5erna n\u00e4sta dag.<\/p>\n<p>P\u00e5 en biologisk niv\u00e5 minskar bl\u00e5tt ljus melatonin, vilket utl\u00f6ser mer kortisol - stresshormonet. F\u00f6rh\u00f6jt kortisol undertrycker <strong>Leydig-cellens aktivitet<\/strong> i testiklarna, vilket minskar testosteronsyntesen. Med tiden kan detta p\u00e5verka libido, energi och fertilitet.<\/p>\n<p>Nya utv\u00e4rderingar visar ocks\u00e5 att <strong>artificiellt ljus p\u00e5 natten st\u00f6r det endokrina systemet<\/strong>, vilket p\u00e5verkar b\u00e5de testosteron och spermiernas h\u00e4lsa (<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/36943989\/\" target=\"_blank\" rel=\"noopener noreferrer\">PMID: 36943989<\/a>).<\/p>\n<blockquote><p>\ud83e\udde9 <em>Se \u00e4ven nedan:<\/em> <a href=\"https:\/\/www.exseedhealth.com\/sv\/the-impact-of-stress-on-sperm-and-semen-quality\/\" target=\"_blank\" rel=\"noopener noreferrer\">Hur stress p\u00e5verkar fertiliteten<\/a><\/p><\/blockquote>\n<h2 id=\"screen-time-blue-light-and-testosterone-health\">Sk\u00e4rmtid, bl\u00e5tt ljus och testosterons h\u00e4lsa<\/h2>\n<p>\u00d6verdriven sk\u00e4rmanv\u00e4ndning skadar mer \u00e4n hormoner - det p\u00e5verkar livsstil, s\u00f6mn och \u00e5terh\u00e4mtning. Studier har visat att <strong>skiftarbete och ljusf\u00f6roreningar<\/strong> minska spermiernas r\u00f6rlighet och koncentration (<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26890168\/\" target=\"_blank\" rel=\"noopener noreferrer\">PMID: 26890168<\/a>).<\/p>\n<p>M\u00e4n som anv\u00e4nder enheter sent p\u00e5 kv\u00e4llen f\u00e5r ofta mindre djup s\u00f6mn, vaknar tr\u00f6tta och har l\u00e4gre testosteronniv\u00e5er p\u00e5 morgonen. Dessa f\u00f6r\u00e4ndringar sker inte \u00f6ver en natt - de ackumuleras l\u00e5ngsamt.<\/p>\n<h3 id=\"why-it-happens\">Varf\u00f6r det h\u00e4nder<\/h3>\n<ul>\n<li>B\u00e4rbara datorer h\u00f6js <strong>scrotal temperatur<\/strong>, minskat antal spermier (<a href=\"https:\/\/www.exseedhealth.com\/sv\/heat-damaging-sperm\/\" target=\"_blank\" rel=\"noopener noreferrer\">ExSeed: V\u00e4rme- och spermieskador<\/a>).<\/li>\n<li>Stillasittande begr\u00e4nsar blodfl\u00f6det och n\u00e4ringstillf\u00f6rseln till fortplantningsorganen.<\/li>\n<li>Sk\u00e4rmtiden \u00f6kar <strong>oxidativ stress<\/strong>vilket skadar spermiernas DNA.<\/li>\n<\/ul>\n<p>Med tiden har <strong>Testosteron i bl\u00e5tt ljus<\/strong> f\u00f6rh\u00e5llandet blir en cykel - mindre s\u00f6mn inneb\u00e4r mindre testosteron, och l\u00e4gre testosteron minskar energi och motivation, vilket leder till mer sk\u00e4rmtid.<\/p>\n<h3 id=\"common-signs-of-hormonal-disruption\">Vanliga tecken p\u00e5 hormonella st\u00f6rningar<\/h3>\n<ul>\n<li>L\u00e4gre energi eller libido p\u00e5 morgonen<\/li>\n<li>S\u00f6mnsv\u00e5righeter eller vakenhet sent p\u00e5 kv\u00e4llen<\/li>\n<li>Fertilitetstest som visar nedsatt r\u00f6rlighet hos spermierna<\/li>\n<\/ul>\n<h2 id=\"protect-testosterone-from-blue-light-exposure\">Skydda testosteron fr\u00e5n exponering f\u00f6r bl\u00e5tt ljus<\/h2>\n<p>Du beh\u00f6ver inte sluta med teknik - anv\u00e4nd den bara smartare. Sm\u00e5, konsekventa f\u00f6r\u00e4ndringar kan skydda din <strong>Testosteron och fertilitet<\/strong> l\u00e5ng sikt.<\/p>\n<h3 id=\"smart-habits-to-protect-testosterone\">Smarta vanor f\u00f6r att skydda testosteronet<\/h3>\n<ul>\n<li>Aktivera <strong>Nattskift<\/strong> eller bl\u00e5ljusfilter efter solnedg\u00e5ngen.<\/li>\n<li>Undvik sk\u00e4rmar <strong>en timme f\u00f6re s\u00e4ngg\u00e5endet<\/strong>.<\/li>\n<li>H\u00e5ll enheter borta fr\u00e5n kn\u00e4t f\u00f6r att minska v\u00e4rmeexponeringen.<\/li>\n<li>Slitage <strong>glas\u00f6gon med bl\u00e5tt ljus<\/strong> p\u00e5 kv\u00e4llen.<\/li>\n<li>F\u00e5 <strong>morgonsolens sken<\/strong> f\u00f6r att st\u00e4lla om din kroppsklocka.<\/li>\n<\/ul>\n<blockquote><p>\ud83d\udcd8 <em>Proffstips:<\/em> Solljus p\u00e5 morgonen hj\u00e4lper till att synkronisera dygnsrytmen och \u00f6kar testosteronet naturligt.<\/p><\/blockquote>\n<h3 id=\"improve-sleep-boost-fertility\">F\u00f6rb\u00e4ttra s\u00f6mnen och \u00f6ka fertiliteten<\/h3>\n<ul>\n<li>H\u00e5ll dig till ett konsekvent s\u00f6mnschema.<\/li>\n<li>Beh\u00e5ll ditt rum <strong>m\u00f6rkt, svalt och tyst<\/strong>.<\/li>\n<li>Undvik koffein efter kl. 14.00.<\/li>\n<li>\u00d6va andning eller mindfulness innan du g\u00e5r och l\u00e4gger dig.<\/li>\n<li>Byt ut scrollandet p\u00e5 kv\u00e4llen mot avkopplande aktiviteter som l\u00e4sning.<\/li>\n<\/ul>\n<p>L\u00e4gga till <strong>antioxidantrika livsmedel<\/strong> som b\u00e4r, n\u00f6tter och bladgr\u00f6nsaker kan hj\u00e4lpa till att bek\u00e4mpa oxidativ stress som orsakas av exponering f\u00f6r bl\u00e5tt ljus. Regelbunden motion - \u00e4ven 30 minuters promenad - hj\u00e4lper till att stabilisera testosteronniv\u00e5erna p\u00e5 naturlig v\u00e4g.<\/p>\n<h2 id=\"key-takeaways\">Viktiga slutsatser<\/h2>\n<ul>\n<li><strong>Testosteron i bl\u00e5tt ljus<\/strong> st\u00f6rningen \u00e4r verklig - den undertrycker melatonin och s\u00e4nker hormonniv\u00e5erna.<\/li>\n<li>D\u00e5lig s\u00f6mn och oxidativ stress kan f\u00f6rs\u00e4mra spermiernas kvalitet.<\/li>\n<li>Enkla f\u00f6r\u00e4ndringar som att minska sk\u00e4rmtiden f\u00f6re s\u00e4ngg\u00e5endet kan \u00e5terst\u00e4lla balansen.<\/li>\n<\/ul>\n<p>L\u00e4s mer i <a href=\"https:\/\/www.exseedhealth.com\/sv\/improve-sperm-health-fast\/\" target=\"_blank\" rel=\"noopener noreferrer\">ExSeeds guide f\u00f6r att f\u00f6rb\u00e4ttra spermakvaliteten<\/a>.<\/p>\n<h2 id=\"conclusion\">Slutsats<\/h2>\n<p>Bl\u00e5tt ljus \u00e4r viktigt f\u00f6r vakenheten p\u00e5 dagen, men p\u00e5 natten st\u00f6r det kroppens hormonrytm. \u00d6ver tid p\u00e5verkar detta <strong>Testosteron, energi och fertilitet<\/strong>.<\/p>\n<p>De goda nyheterna? Du kan fixa det. Genom att s\u00e4tta digitala gr\u00e4nser, anv\u00e4nda filter och optimera din s\u00f6mnrutin kan du \u00e5terst\u00e4lla hormonbalansen och skydda spermiernas h\u00e4lsa p\u00e5 ett naturligt s\u00e4tt.<\/p>\n<p>Vid <strong>ExSeed H\u00e4lsa<\/strong>hj\u00e4lper vi m\u00e4n att ta ansvar f\u00f6r sin reproduktiva h\u00e4lsa med hj\u00e4lp av vetenskap, data och testning i hemmet.<\/p>\n<p>\ud83d\udc49 <strong>Kontrollera din spermieh\u00e4lsa idag<\/strong> med en <a href=\"https:\/\/www.exseedhealth.com\/sv\/exseed-home-sperm-test\/\" target=\"_blank\" rel=\"noopener noreferrer\">ExSeed Fertilitetstest f\u00f6r hemmabruk<\/a> och f\u00f6lja dina framsteg \u00f6ver tid.<\/p>\n<h2 id=\"suggested-faq-schema\">VANLIGA FR\u00c5GOR<\/h2>\n<p><strong>F1: S\u00e4nker bl\u00e5tt ljus fr\u00e5n sk\u00e4rmar testosteronet?<\/strong><br \/>\n<strong>A:<\/strong> Ja, det st\u00e4mmer. Bl\u00e5tt ljus nattetid undertrycker melatonin, vilket st\u00f6r testosteronproduktionen och spermiernas kvalitet. (<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25535358\/\" target=\"_blank\" rel=\"noopener noreferrer\">PMID: 25535358<\/a>)<\/p>\n<p><strong>Fr\u00e5ga 2: Hur p\u00e5verkar d\u00e5lig s\u00f6mn den manliga fertiliteten?<\/strong><br \/>\n<strong>A:<\/strong> D\u00e5lig s\u00f6mn h\u00f6jer kortisolhalten och s\u00e4nker testosteronniv\u00e5n, vilket leder till minskat antal spermier och f\u00f6rs\u00e4mrad r\u00f6rlighet. (<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/21486980\/\" target=\"_blank\" rel=\"noopener noreferrer\">PMID: 21486980<\/a>)<\/p>\n<p><strong>F3: Kan minskad sk\u00e4rmtid \u00e5terst\u00e4lla testosteronniv\u00e5erna?<\/strong><br \/>\n<strong>A:<\/strong> Ja. F\u00f6rb\u00e4ttrad s\u00f6mn och minskad exponering f\u00f6r bl\u00e5tt ljus kan bidra till att normalisera testosteron inom n\u00e5gra veckor.<\/p>\n<p><strong>Q4: Kan glas\u00f6gon med bl\u00e5tt ljus f\u00f6rb\u00e4ttra spermiernas h\u00e4lsa?<\/strong><br \/>\n<strong>A:<\/strong> Ja, de hj\u00e4lper till att \u00e5terst\u00e4lla melatonincyklerna, vilket f\u00f6rb\u00e4ttrar s\u00f6mnen och hormonbalansen.<\/p>\n<p><strong>F5: Vad \u00e4r det b\u00e4sta s\u00e4ttet att minska effekterna av bl\u00e5tt ljus?<\/strong><br \/>\n<strong>A:<\/strong> Begr\u00e4nsa antalet sk\u00e4rmar f\u00f6re s\u00e4ngg\u00e5endet, anv\u00e4nd filter och f\u00e5 solljus p\u00e5 morgonen varje dag f\u00f6r att st\u00e4lla om din kroppsklocka.<\/p>","protected":false},"excerpt":{"rendered":"<p>Screens are part of daily life, phones, laptops, TVs, tablets. But late-night screen time and blue light exposure can lower testosterone and affect your fertility more than you realize. Most men know that diet, exercise, and sleep impact hormones \u2014 but few realize light exposure does too. In fact, the blue light testosterone connection is [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":150422,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[200,198],"tags":[],"class_list":["post-150351","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lifestyle-environmental","category-mens-fertility"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How Blue Light and Screen Time Affect Testosterone and Fertility<\/title>\n<meta name=\"description\" content=\"Blue light testosterone link explained. Discover how screens affect male fertility and protect your hormones naturally.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.exseedhealth.com\/sv\/blue-light-testosterone-fertility\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Blue Light and Screen Time Affect Testosterone and Fertility\" \/>\n<meta property=\"og:description\" content=\"Blue light testosterone link explained. Discover how screens affect male fertility and protect your hormones naturally.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.exseedhealth.com\/sv\/blue-light-testosterone-fertility\/\" \/>\n<meta property=\"og:site_name\" content=\"ExSeed Health\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ExSeedHealth\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-21T10:46:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-24T08:43:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/Blue-Light-Exposure-and-Hormonal-Balance-in-Men-1024x576.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"576\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Emil Andersen, PhD\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ExSeed_Health\" \/>\n<meta name=\"twitter:site\" content=\"@ExSeed_Health\" \/>\n<meta name=\"twitter:label1\" content=\"Skriven av\" \/>\n\t<meta name=\"twitter:data1\" content=\"Emil Andersen, PhD\" \/>\n\t<meta name=\"twitter:label2\" content=\"Ber\u00e4knad l\u00e4stid\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minuter\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/blue-light-testosterone-fertility\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/blue-light-testosterone-fertility\\\/\"},\"author\":{\"name\":\"Emil Andersen, PhD\",\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/#\\\/schema\\\/person\\\/5d08eb43d90734a01dcf3cb77ce5e109\"},\"headline\":\"How Blue Light and Screen Time Affect Testosterone and Fertility\",\"datePublished\":\"2025-10-21T10:46:58+00:00\",\"dateModified\":\"2025-10-24T08:43:38+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/blue-light-testosterone-fertility\\\/\"},\"wordCount\":936,\"publisher\":{\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/blue-light-testosterone-fertility\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.exseedhealth.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/Blue-Light-Exposure-and-Hormonal-Balance-in-Men.png\",\"articleSection\":[\"Lifestyle &amp; Environmental\",\"Men\u2019s Fertility\"],\"inLanguage\":\"sv-SE\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/blue-light-testosterone-fertility\\\/\",\"url\":\"https:\\\/\\\/www.exseedhealth.com\\\/blue-light-testosterone-fertility\\\/\",\"name\":\"How Blue Light and Screen Time Affect Testosterone and Fertility\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/blue-light-testosterone-fertility\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/blue-light-testosterone-fertility\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.exseedhealth.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/Blue-Light-Exposure-and-Hormonal-Balance-in-Men.png\",\"datePublished\":\"2025-10-21T10:46:58+00:00\",\"dateModified\":\"2025-10-24T08:43:38+00:00\",\"description\":\"Blue light testosterone link explained. Discover how screens affect male fertility and protect your hormones naturally.\",\"inLanguage\":\"sv-SE\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.exseedhealth.com\\\/blue-light-testosterone-fertility\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"sv-SE\",\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/blue-light-testosterone-fertility\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.exseedhealth.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/Blue-Light-Exposure-and-Hormonal-Balance-in-Men.png\",\"contentUrl\":\"https:\\\/\\\/www.exseedhealth.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/Blue-Light-Exposure-and-Hormonal-Balance-in-Men.png\",\"width\":1920,\"height\":1080,\"caption\":\"Featured image showing a young man in bed at night illuminated by blue light from his phone. Behind him are abstract outlines of testosterone molecules and a DNA strand, symbolizing hormonal and reproductive effects of blue light exposure. The color palette uses dark blues and teals, conveying a scientific yet calm atmosphere consistent with ExSeed Health\u2019s brand visuals.\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/#website\",\"url\":\"https:\\\/\\\/www.exseedhealth.com\\\/\",\"name\":\"ExSeed Health\",\"description\":\"Clinic-grade Home Sperm Testing\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.exseedhealth.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"sv-SE\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/#organization\",\"name\":\"ExSeed Health\",\"alternateName\":\"ExSeed\",\"url\":\"https:\\\/\\\/www.exseedhealth.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"sv-SE\",\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.exseedhealth.com\\\/wp-content\\\/uploads\\\/2023\\\/10\\\/ExSeed-Health-trademark-logo-1.svg\",\"contentUrl\":\"https:\\\/\\\/www.exseedhealth.com\\\/wp-content\\\/uploads\\\/2023\\\/10\\\/ExSeed-Health-trademark-logo-1.svg\",\"width\":190,\"height\":46,\"caption\":\"ExSeed Health\"},\"image\":{\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/ExSeedHealth\",\"https:\\\/\\\/x.com\\\/ExSeed_Health\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/#\\\/schema\\\/person\\\/5d08eb43d90734a01dcf3cb77ce5e109\",\"name\":\"Emil Andersen, PhD\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"sv-SE\",\"@id\":\"https:\\\/\\\/www.exseedhealth.com\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/Emil-Andersen-Autho-Square-100x100.jpg\",\"url\":\"https:\\\/\\\/www.exseedhealth.com\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/Emil-Andersen-Autho-Square-100x100.jpg\",\"contentUrl\":\"https:\\\/\\\/www.exseedhealth.com\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/Emil-Andersen-Autho-Square-100x100.jpg\",\"caption\":\"Emil Andersen, PhD\"},\"description\":\"Emil Andersen, the CSO and Co-founder of ExSeed, earned his PhD in Reproduction and Epigenetics from the Center for Basic Metabolic Research at the University of Copenhagen. He is renowned for being the lead author of the most extensive study to date on the impact of weight loss on semen quality. During his tenure at the University of Cambridge, Emil spearheaded innovative research focused on deciphering the fundamental mechanisms of sperm and developing methods to assess their fertility potential. His contributions to the field are widely recognized, with multiple publications in esteemed peer-reviewed scientific journals.\",\"url\":\"https:\\\/\\\/www.exseedhealth.com\\\/sv\\\/author\\\/ea\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Bl\u00e5tt Ljus &amp; Sk\u00e4rmtid - Testosteron Fertilitet","description":"Bl\u00e5 ljus testosteron l\u00e4nk f\u00f6rklaras. Uppt\u00e4ck hur sk\u00e4rmar p\u00e5verkar manlig fertilitet och skydda dina hormoner p\u00e5 ett naturligt s\u00e4tt.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.exseedhealth.com\/sv\/blue-light-testosterone-fertility\/","og_locale":"sv_SE","og_type":"article","og_title":"How Blue Light and Screen Time Affect Testosterone and Fertility","og_description":"Blue light testosterone link explained. Discover how screens affect male fertility and protect your hormones naturally.","og_url":"https:\/\/www.exseedhealth.com\/sv\/blue-light-testosterone-fertility\/","og_site_name":"ExSeed Health","article_publisher":"https:\/\/www.facebook.com\/ExSeedHealth","article_published_time":"2025-10-21T10:46:58+00:00","article_modified_time":"2025-10-24T08:43:38+00:00","og_image":[{"width":1024,"height":576,"url":"https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/Blue-Light-Exposure-and-Hormonal-Balance-in-Men-1024x576.png","type":"image\/png"}],"author":"Emil Andersen, PhD","twitter_card":"summary_large_image","twitter_creator":"@ExSeed_Health","twitter_site":"@ExSeed_Health","twitter_misc":{"Skriven av":"Emil Andersen, PhD","Ber\u00e4knad l\u00e4stid":"5 minuter"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.exseedhealth.com\/blue-light-testosterone-fertility\/#article","isPartOf":{"@id":"https:\/\/www.exseedhealth.com\/blue-light-testosterone-fertility\/"},"author":{"name":"Emil Andersen, PhD","@id":"https:\/\/www.exseedhealth.com\/#\/schema\/person\/5d08eb43d90734a01dcf3cb77ce5e109"},"headline":"How Blue Light and Screen Time Affect Testosterone and Fertility","datePublished":"2025-10-21T10:46:58+00:00","dateModified":"2025-10-24T08:43:38+00:00","mainEntityOfPage":{"@id":"https:\/\/www.exseedhealth.com\/blue-light-testosterone-fertility\/"},"wordCount":936,"publisher":{"@id":"https:\/\/www.exseedhealth.com\/#organization"},"image":{"@id":"https:\/\/www.exseedhealth.com\/blue-light-testosterone-fertility\/#primaryimage"},"thumbnailUrl":"https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/Blue-Light-Exposure-and-Hormonal-Balance-in-Men.png","articleSection":["Lifestyle &amp; Environmental","Men\u2019s Fertility"],"inLanguage":"sv-SE"},{"@type":"WebPage","@id":"https:\/\/www.exseedhealth.com\/blue-light-testosterone-fertility\/","url":"https:\/\/www.exseedhealth.com\/blue-light-testosterone-fertility\/","name":"Bl\u00e5tt Ljus &amp; Sk\u00e4rmtid - Testosteron Fertilitet","isPartOf":{"@id":"https:\/\/www.exseedhealth.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.exseedhealth.com\/blue-light-testosterone-fertility\/#primaryimage"},"image":{"@id":"https:\/\/www.exseedhealth.com\/blue-light-testosterone-fertility\/#primaryimage"},"thumbnailUrl":"https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/Blue-Light-Exposure-and-Hormonal-Balance-in-Men.png","datePublished":"2025-10-21T10:46:58+00:00","dateModified":"2025-10-24T08:43:38+00:00","description":"Bl\u00e5 ljus testosteron l\u00e4nk f\u00f6rklaras. Uppt\u00e4ck hur sk\u00e4rmar p\u00e5verkar manlig fertilitet och skydda dina hormoner p\u00e5 ett naturligt s\u00e4tt.","inLanguage":"sv-SE","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.exseedhealth.com\/blue-light-testosterone-fertility\/"]}]},{"@type":"ImageObject","inLanguage":"sv-SE","@id":"https:\/\/www.exseedhealth.com\/blue-light-testosterone-fertility\/#primaryimage","url":"https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/Blue-Light-Exposure-and-Hormonal-Balance-in-Men.png","contentUrl":"https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2025\/10\/Blue-Light-Exposure-and-Hormonal-Balance-in-Men.png","width":1920,"height":1080,"caption":"Featured image showing a young man in bed at night illuminated by blue light from his phone. Behind him are abstract outlines of testosterone molecules and a DNA strand, symbolizing hormonal and reproductive effects of blue light exposure. The color palette uses dark blues and teals, conveying a scientific yet calm atmosphere consistent with ExSeed Health\u2019s brand visuals."},{"@type":"WebSite","@id":"https:\/\/www.exseedhealth.com\/#website","url":"https:\/\/www.exseedhealth.com\/","name":"ExSeed H\u00e4lsa","description":"Spermatest i hemmet av klinikklass","publisher":{"@id":"https:\/\/www.exseedhealth.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.exseedhealth.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"sv-SE"},{"@type":"Organization","@id":"https:\/\/www.exseedhealth.com\/#organization","name":"ExSeed H\u00e4lsa","alternateName":"ExSeed","url":"https:\/\/www.exseedhealth.com\/","logo":{"@type":"ImageObject","inLanguage":"sv-SE","@id":"https:\/\/www.exseedhealth.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2023\/10\/ExSeed-Health-trademark-logo-1.svg","contentUrl":"https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2023\/10\/ExSeed-Health-trademark-logo-1.svg","width":190,"height":46,"caption":"ExSeed Health"},"image":{"@id":"https:\/\/www.exseedhealth.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/ExSeedHealth","https:\/\/x.com\/ExSeed_Health"]},{"@type":"Person","@id":"https:\/\/www.exseedhealth.com\/#\/schema\/person\/5d08eb43d90734a01dcf3cb77ce5e109","name":"Emil Andersen, PhD","image":{"@type":"ImageObject","inLanguage":"sv-SE","@id":"https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2023\/11\/Emil-Andersen-Autho-Square-100x100.jpg","url":"https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2023\/11\/Emil-Andersen-Autho-Square-100x100.jpg","contentUrl":"https:\/\/www.exseedhealth.com\/wp-content\/uploads\/2023\/11\/Emil-Andersen-Autho-Square-100x100.jpg","caption":"Emil Andersen, PhD"},"description":"Emil Andersen, CSO och medgrundare av ExSeed, har en doktorsexamen i reproduktion och epigenetik fr\u00e5n Center for Basic Metabolic Research vid K\u00f6penhamns universitet. Han \u00e4r k\u00e4nd f\u00f6r att vara huvudf\u00f6rfattare till den hittills mest omfattande studien om hur viktminskning p\u00e5verkar spermakvaliteten. Under sin tid vid University of Cambridge stod Emil i spetsen f\u00f6r innovativ forskning med fokus p\u00e5 att dechiffrera de grundl\u00e4ggande mekanismerna f\u00f6r spermier och utveckla metoder f\u00f6r att bed\u00f6ma deras fertilitetspotential. Hans bidrag till omr\u00e5det \u00e4r allm\u00e4nt erk\u00e4nt, med flera publikationer i ansedda vetenskapliga tidskrifter med peer-review.","url":"https:\/\/www.exseedhealth.com\/sv\/author\/ea\/"}]}},"_links":{"self":[{"href":"https:\/\/www.exseedhealth.com\/sv\/wp-json\/wp\/v2\/posts\/150351","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.exseedhealth.com\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.exseedhealth.com\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.exseedhealth.com\/sv\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.exseedhealth.com\/sv\/wp-json\/wp\/v2\/comments?post=150351"}],"version-history":[{"count":0,"href":"https:\/\/www.exseedhealth.com\/sv\/wp-json\/wp\/v2\/posts\/150351\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.exseedhealth.com\/sv\/wp-json\/wp\/v2\/media\/150422"}],"wp:attachment":[{"href":"https:\/\/www.exseedhealth.com\/sv\/wp-json\/wp\/v2\/media?parent=150351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.exseedhealth.com\/sv\/wp-json\/wp\/v2\/categories?post=150351"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.exseedhealth.com\/sv\/wp-json\/wp\/v2\/tags?post=150351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}