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Sleep-Wake Cycle

Circadian Rhythm

Circadian Rhythm Your circadian rhythm is your body’s natural 24-hour clock. It keeps your body operating on a healthy wake-sleep cycle. Your circadian rhythm affects many other systems throughout your body. Most people’s circadian rhythms are automatic, but certain factors

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Sleep-wake as a biological rhythm

Abstract Evidence that the sleep-wake rhythm is generated endogenously has been provided by studies employing a variety of experimental paradigms such as sleep deprivation, sleep displacement, isolating subjects in environments free of

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Sleep-wake cycles and shift work

SLEEP-WAKE CYCLES AND SHIFT WORK Sleep-wake cycle refers to our 24 hour daily sleep pattern which consists of approximately 16 hours of daytime wakefulness and 8 hours of night-time sleep. The complex

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Circadian Rhythms – NIGMS

Circadian rhythms include some of the physical, mental, and behavioral changes an organism experiences over a 24-hour cycle. Light and dark have the biggest influence on circadian rhythms, but food intake, stress, physical activity, social

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What Is Circadian Rhythm?

Key Takeaways Circadian rhythms are 24-hour cycles that help govern essential bodily functions—especially the sleep-wake cycle—by syncing internal processes with the day–night cycle. Disruptions from factors like irregular schedules, travel, shift work,

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