The action mentioned helps in changing the sleep senses and thus make you feel fresh.
Reduced interactions with the outside world, altered consciousness, relatively inhibited sensory activity, lowered muscle activity, and suppression of nearly all voluntary muscles during eye movement movement (REM) sleep are all characteristics of the found naturally state of mind and body known as sleep. It can respond to stimuli less quickly than alertness, but more quickly than a coma or other disorders of awareness, with sleep exhibiting unique, active brain patterns.
The body switches between REM sleep and non-REM sleep during recurring periods of sleep, which happen in cycles. REM stands for "rapid eye movement," but this type of sleep also includes many other features, such as virtually paralyzing the body.
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https://brainly.com/question/9779407
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