What is sleep??
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Sleep is a naturally recurring state of mind and body, characterized by altered consciousness, relatively inhibited sensory activity, reduced muscle activity and inhibition of nearly all voluntary muscles during rapid eye movement (REM) sleep, and reduced interactions with surroundings.
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- Sleep is a state of rest. When we wake up, we feel fresh, become alert and ready for the normal activities of the day. During sleep, our muscles relax and the heart beat becomes slower. Sleep is the most common experience.
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