How does sleep help protect health? Select all that apply.   A)Sleep gives the body time to repair damage.   B)Sleep helps balance hormones related to hunger.   C)Sleep boosts immune system activity.   D)Sleep increases appetite so people get enough nutrients.

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Q: What is the importance of good quality of sleep?

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Q: How to create solid sleep habits?

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Q: How long can the human body go without sleep while being bombarded with much stress and studies?

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Q: 44

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Sleep Physiology

Sleep is a condition of reduced muscle movement in the body. Awareness about the surroundings is reduced at the time of sleep. The body stays mildly responsive or non-responsive to external stimuli. The sleep-wake cycle is controlled by the circadian rhythm that produces a resting phase for the body.