Sleep stages and circadian rhythms
7:57
Khan AcademyCarole 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 ...
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