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As adolescent rites of passage go, this one is extra obnoxious. The life stage when growing teens could really use a good night's sleep is the same time their bodies are programmed to stay up way too late. That's the level that allows a teen's body "to function optimally—to be physically, mentally and cognitively healthy," the CMI explained. And while it might seem like a function of "night owl" personality or simply rebellion, it's actually cruel biology.
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Understanding Sleep Cycles: What Happens While You Sleep

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Your Sleep Cycle Revealed | Psychology Today

Lack of sleep can make it harder for your child to behave well, regulate emotions, pay attention and do well at school, and get along with others. Being tired all the time can even contribute to mental health issues like anxiety and depression. Most teenagers need hours of sleep each night. Some need as little as 7 hours or as much as 11 hours. This is because they start to secrete melatonin later at night than they did in earlier childhood, which affects their circadian rhythms. Also, as their brains mature during puberty, children can stay awake for longer.
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Sleep Cycle Calculator

Sleep patterns go crazy during your teenage years. Many teens have the energy to play computer games until late at night but can't find the energy to get out of bed in time for school. This may be more than just laziness and bad behaviour. New research suggests that the hormonal upheaval of puberty could be causing adolescents to love a lie-in, but loathe an early night.
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Electronic devices in the bedroom are broadly linked with poor sleep in adolescents. This study investigated whether there is a dose-response relationship between use of electronic devices computers, cellphones, televisions and radios in bed prior to sleep and adolescent sleep patterns. Use of devices in bed a few nights per week or more was This is an open-access article distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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