{"id":65653,"date":"2022-11-04T00:09:37","date_gmt":"2022-11-04T04:09:37","guid":{"rendered":"https:\/\/world.edu\/?p=65653"},"modified":"2022-11-04T00:09:37","modified_gmt":"2022-11-04T04:09:37","slug":"is-your-teen-a-night-owl-their-sleep-pattern-could-shape-their-brain-and-behaviour-years-later","status":"publish","type":"post","link":"https:\/\/world.edu\/is-your-teen-a-night-owl-their-sleep-pattern-could-shape-their-brain-and-behaviour-years-later\/","title":{"rendered":"Is your teen a night owl? Their sleep pattern could shape their brain and behaviour years later"},"content":{"rendered":"<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-65654\" src=\"https:\/\/world.edu\/wp-content\/uploads\/2022\/11\/teenageratnight.jpg\" alt=\"\" width=\"680\" height=\"454\" srcset=\"https:\/\/world.edu\/wp-content\/uploads\/2022\/11\/teenageratnight.jpg 680w, https:\/\/world.edu\/wp-content\/uploads\/2022\/11\/teenageratnight-250x167.jpg 250w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/><br \/>\nIt\u2019s 11 pm on a weeknight and your teenager still has their bedroom light on. You want them to get enough sleep for school the next day, but it\u2019s a struggle.<\/p>\n<p>Our\u00a0<a href=\"https:\/\/acamh.onlinelibrary.wiley.com\/doi\/10.1111\/jcpp.13718\">new research<\/a>\u00a0shows what happens to the brains and behaviour of young teenagers, years after they\u2019ve become \u201cnight owls\u201d.<\/p>\n<p>We found this shift in sleep pattern increased the risk of having behavioural problems and delayed brain development in later adolescence.<\/p>\n<p>But it\u2019s not all bad news for night owls.<\/p>\n<h4><strong>Sleep habits shift<\/strong><\/h4>\n<p>People\u2019s sleep\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/31780247\/\">patterns shift<\/a>\u00a0during their teenage years. Teens can stay awake longer, fall asleep later, and have a lie in the next day.<\/p>\n<p>Many teens also shift from being a\u00a0<a href=\"https:\/\/theconversation.com\/morning-or-night-person-it-depends-on-many-more-genes-than-we-thought-110256\">morning lark to a night owl<\/a>. They feel more productive and alert later in the evening, preferring to go to sleep later, and waking up later the next day.<\/p>\n<p>This shift towards \u201ceveningness\u201d can clash with teens\u2019 school and work. A chronic lack of sleep, due to these mis-matched sleep schedules, can explain why teens who are night owls are at\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28487255\/\">greater risk<\/a>\u00a0for emotional and behavioural problems than ones who are morning larks.<\/p>\n<p>&nbsp;<\/p>\n<blockquote class=\"twitter-tweet\">\n<p dir=\"ltr\" lang=\"en\">As a kid I was a morning person.<br \/>\nAs a teen I was a night owl.<br \/>\nAs an adult, I\u2019m neither.<\/p>\n<p>\u2014 brigite (@meg3576) <a href=\"https:\/\/twitter.com\/meg3576\/status\/1583936035918344193?ref_src=twsrc%5Etfw\">October 22, 2022<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>Emerging research also indicates morning larks and night owls have a different\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26003859\/\">brain structure<\/a>. This includes differences in both the grey and white matter, which have been linked to differences in memory, emotional wellbeing, attention and empathy.<\/p>\n<p>Despite these links, it\u2019s unclear how this relationship might emerge. Does being a night owl increase the risk for later emotional and behavioural problems? Or do emotional and behavioural problems lead to someone becoming more of a night owl?<\/p>\n<p>In our study, we tried to answer these questions, following teenagers for many years.<\/p>\n<h4><strong>What we did<\/strong><\/h4>\n<p>We asked over 200 teens and their parents to complete a series of questionnaires about the teens\u2019 sleep preferences, and emotional and behavioural wellbeing. Participants repeated these questionnaires several times over the next seven years.<\/p>\n<p>The teens also had two brain scans, several years apart, to examine their brain development. We focused on mapping changes in the structure of white matter \u2013 the brain\u2019s connective tissue that allows our brains to process information and function effectively.<\/p>\n<p>Earlier research shows the structure of white matter of morning larks and night owls\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/24001455\/\">differ<\/a>. However, our study is the first to examine how changes in sleep preferences might affect how white matter grows over time.<\/p>\n<h4><strong>Here\u2019s what we found<\/strong><\/h4>\n<p>Teens who shifted to becoming a night owl in early adolescence (around the age of 12-13) were more likely to have behavioural problems several years later. This included greater aggression, rule breaking, and antisocial behaviours.<\/p>\n<p>But they weren\u2019t at increased risk of emotional problems, such as anxiety or low mood.<\/p>\n<p>Importantly, this relationship did not occur in the reverse direction. In other words, we found that earlier emotional and behavioural problems didn\u2019t influence whether a teenager became more of a morning lark or night owl in late adolescence.<\/p>\n<p>&nbsp;<\/p>\n<blockquote class=\"twitter-tweet\">\n<p dir=\"ltr\" lang=\"en\">I\u2019ve been trying to train myself back to regular human adult hours (rather than teen night owl hours) by getting up early thinking that maybe that will make me go to bed earlier but so far ????????????<\/p>\n<p>\u2014 Ver\u00f3nica Bayetti Flores ???? (@veroconplatanos) <a href=\"https:\/\/twitter.com\/veroconplatanos\/status\/1218058053003763714?ref_src=twsrc%5Etfw\">January 17, 2020<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>Our research also showed that teens who shifted to becoming a night owl had a different rate of brain development than teens who remained morning larks.<\/p>\n<p>We found the white matter of night owls didn\u2019t increase to the same degree as teens who were morning larks.<\/p>\n<p>We know growth of white matter\u00a0<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1878929321000980?via%3Dihub\">is important<\/a>\u00a0in the teenage years to support cognitive, emotional and behavioural development.<\/p>\n<h4><strong>What are the implications?<\/strong><\/h4>\n<p>These findings build on\u00a0<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1878929321000980?via%3Dihub\">previous research<\/a>\u00a0showing differences in brain structure between morning larks and night owls. It also builds on earlier research that indicates these changes might emerge\u00a0<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1878929321000980?via%3Dihub\">in the teenage years<\/a>.<\/p>\n<p>Importantly, we show that becoming a night owl increases the risk of experiencing behavioural problems and delayed brain development in later adolescence, rather than the other way round.<\/p>\n<p>These findings highlight the importance of focusing on teens\u2019 sleep-wake habits early in adolescence to support their later emotional and behavioural health. We know getting enough sleep is\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/27531236\/\">extremely important<\/a>\u00a0for both mental and brain health.<\/p>\n<h4><strong>Here\u2019s some good news<\/strong><\/h4>\n<p>It\u2019s not all bad news for night owls. As our research shows, morning lark and night owl preferences aren\u2019t set in stone. Research indicates we can modify our sleep preferences and habits.<\/p>\n<p>For example, exposure to light (even artificial light) alters our circadian rhythms, which can influence our sleep preferences. So minimising late-night exposure to bright lights and screens can be one way\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25526564\/\">to modify<\/a>\u00a0our preferences and drive for sleep.<\/p>\n<p><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/31202686\/\">Exposure to light<\/a>\u00a0first thing in the morning can also help shift our internal clocks to a more morning-oriented rhythm. You could encourage your teen to have their breakfast outside, or go onto a balcony or into the garden before heading to school or work.<\/p>\n<p><em><strong>Author Bios:<\/strong>Rebecca Cooper is a PhD candidate in neuropsychiatry, Maria Di Biase is a Senior Research Fellow, Psychiatry and Vanessa Cropley is a Senior Research Fellow all at The University of Melbourne<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>It\u2019s 11 pm on a weeknight and your teenager still has their bedroom light on. You want them to get enough sleep for school the next day, but it\u2019s a struggle. Our\u00a0new research\u00a0shows what happens to the brains and behaviour of young teenagers, years after they\u2019ve become \u201cnight owls\u201d. We found this shift in sleep [&hellip;]\n&hellip; <a href=\"https:\/\/world.edu\/is-your-teen-a-night-owl-their-sleep-pattern-could-shape-their-brain-and-behaviour-years-later\/\" class=\"more\">learn more&rarr;<\/a><\/p>","protected":false},"author":33,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[86115],"tags":[434145],"coauthors":[11733],"class_list":["post-65653","post","type-post","status-publish","format-standard","hentry","category-research","tag-sleep-patterns"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Is your teen a night owl? 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You want them to get enough sleep for school the next day, but it\u2019s a struggle. Our\u00a0new research\u00a0shows what happens to the brains and behaviour of young teenagers, years after they\u2019ve become \u201cnight owls\u201d. 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