{"id":747,"date":"2021-04-28T21:44:03","date_gmt":"2021-04-28T19:44:03","guid":{"rendered":"https:\/\/tydenikobydleni.cz\/?p=747"},"modified":"2021-07-09T23:50:53","modified_gmt":"2021-07-09T21:50:53","slug":"spanek-versus-svetlo-modre-zareni-nemusi-byt-jedine-ktere-narusuje-spanek","status":"publish","type":"post","link":"https:\/\/tydenikobydleni.cz\/?p=747","title":{"rendered":"Sp\u00e1nek versus sv\u011btlo: Modr\u00e9 z\u00e1\u0159en\u00ed nemus\u00ed b\u00fdt jedin\u00e9, kter\u00e9 naru\u0161uje sp\u00e1nek"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">N\u011bkolik v\u011bdeck\u00e9 studie u\u017e d\u00e9le nazna\u010duj\u00ed, \u017ee vystavov\u00e1n\u00ed se modr\u00e9mu sv\u011btlu, tedy takov\u00e9mu, kter\u00e9 vyza\u0159uje z obrazovek mobil\u016f, tablet\u016f \u010di po\u010d\u00edta\u010d\u016f, m\u00e1 \u0161kodliv\u00e9 \u00fa\u010dinky na n\u00e1\u0161 sp\u00e1nek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00e1v\u011b modr\u00e9 sv\u011btlo m\u00e1 toti\u017e obzvl\u00e1\u0161\u0165 siln\u011b potla\u010dovat tvorbu melatoninu. Tento hormon se vylu\u010duje b\u011bhem tmy a jeho nedostatek n\u00e1s p\u0159ipravuje o kvalitu sp\u00e1nku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V prosinci 2018 v\u0161ak skupina v\u00fdzkumn\u00edk\u016f z univerzity v Manchesteru publikovala pr\u00e1ci, ve kter\u00e9 toto tvrzen\u00ed zpochybnila. Po tom, jak v experimentu vystavili my\u0161i r\u016fzn\u00fdm druh\u016fm sv\u011btel, kter\u00e9 m\u011bly odli\u0161n\u00fd odst\u00edn, ale stejn\u00fd jas, a zaznamenali jejich n\u00e1slednou aktivitu, dosp\u011bli k z\u00e1v\u011bru, \u017ee \u017elut\u00e9 sv\u011btlo pravd\u011bpodobn\u011b naru\u0161uje sp\u00e1nek v\u00edce ne\u017e to modr\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sv\u011btlo s tepl\u00fdmi t\u00f3ny podle jejich hypot\u00e9zy p\u0159esv\u011bd\u010duje organismus, \u017ee je den, zat\u00edmco studen\u00e9 t\u00f3ny sv\u011btla napodobuj\u00ed soumrak. Vedouc\u00ed v\u00fdzkumu Tim Brown pro BBC uv\u00e1d\u00ed, \u017ee zji\u0161t\u011bn\u00ed se shoduj\u00ed s t\u00edm, co se d\u011bje v p\u0159\u00edrodn\u00edm sv\u011bt\u011b.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/tydenikobydleni.cz\/wp-content\/uploads\/2021\/04\/pexels-photo-5738028.jpg\" alt=\"\" class=\"wp-image-749\" srcset=\"https:\/\/tydenikobydleni.cz\/wp-content\/uploads\/2021\/04\/pexels-photo-5738028.jpg 1000w, https:\/\/tydenikobydleni.cz\/wp-content\/uploads\/2021\/04\/pexels-photo-5738028-300x200.jpg 300w, https:\/\/tydenikobydleni.cz\/wp-content\/uploads\/2021\/04\/pexels-photo-5738028-768x512.jpg 768w, https:\/\/tydenikobydleni.cz\/wp-content\/uploads\/2021\/04\/pexels-photo-5738028-696x464.jpg 696w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&#8222;B\u011bhem dne je sv\u011btlo, kter\u00e9 se k n\u00e1m dostane, pom\u011brn\u011b b\u00edl\u00e9 nebo \u017elut\u00e9 a m\u00e1 siln\u00fd vliv na vnit\u0159n\u00ed hodiny. Kolem soumraku, jakmile zapadne slunce, sv\u011btlo Modrava, &#8222;up\u0159es\u0148uje.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Studie mnoha p\u0159ekvapila, ale jej\u00ed v\u00fdsledky nebyly bezprecedentn\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jin\u00e1 skupina v\u011bdc\u016f nap\u0159\u00edklad tvrdila, \u017ee zat\u00edmco elektronick\u00e1 za\u0159\u00edzen\u00ed dok\u00e1\u017e\u00ed lidi udr\u017eet v bd\u011blosti pro svou jasnou z\u00e1\u0159i a schopnost &#8222;po\u017e\u00edrat \u010das&#8220;, modr\u00e9 sv\u011btlo nen\u00ed nutn\u011b probl\u00e9mem.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u011bkolik v\u011bdeck\u00e9 studie u\u017e d\u00e9le nazna\u010duj\u00ed, \u017ee vystavov\u00e1n\u00ed se modr\u00e9mu sv\u011btlu, tedy takov\u00e9mu, kter\u00e9 vyza\u0159uje z obrazovek mobil\u016f, tablet\u016f \u010di po\u010d\u00edta\u010d\u016f, m\u00e1 \u0161kodliv\u00e9 \u00fa\u010dinky na n\u00e1\u0161 sp\u00e1nek. Pr\u00e1v\u011b modr\u00e9 sv\u011btlo m\u00e1 toti\u017e obzvl\u00e1\u0161\u0165 siln\u011b potla\u010dovat tvorbu melatoninu. Tento hormon se vylu\u010duje b\u011bhem tmy a jeho nedostatek n\u00e1s p\u0159ipravuje o kvalitu sp\u00e1nku. V prosinci 2018 v\u0161ak [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":748,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-747","post","type-post","status-publish","format-standard","has-post-thumbnail","category-rady-a-navody"],"_links":{"self":[{"href":"https:\/\/tydenikobydleni.cz\/index.php?rest_route=\/wp\/v2\/posts\/747","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tydenikobydleni.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tydenikobydleni.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tydenikobydleni.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tydenikobydleni.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=747"}],"version-history":[{"count":0,"href":"https:\/\/tydenikobydleni.cz\/index.php?rest_route=\/wp\/v2\/posts\/747\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tydenikobydleni.cz\/index.php?rest_route=\/wp\/v2\/media\/748"}],"wp:attachment":[{"href":"https:\/\/tydenikobydleni.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tydenikobydleni.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tydenikobydleni.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}