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7:57
Khan Academy
Carole Yue
Sleep stages and circadian rhythms
Sleep stages and circadian rhythms play a key role in our daily lives. The brain cycles through four stages of sleep: N1, N2, N3, and REM. Each stage has unique brain patterns and functions. Circadian rhythms, our internal biological clock, regulate our sleep cycle and body temperature. Understanding these processes can improve sleep quality ...
Mar 13, 2014
Circadian Rhythm and Sleep
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Circadian Rhythm
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Sep 25, 2020
What Is Circadian Rhythm and How Can You Reset It?
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Aug 16, 2022
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What is the Circadian Rhythm?
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Mar 7, 2016
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