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... s turn quickly during dreaming, and ‘slow wave sleep’ where the brain waves enter a high amplitude slow wave shock when there is no dream.

Slow-wave sleep is beneficial to the recovery and rest of the body, while fast eye movement sleep is a sort of memory entered during the day, and the brain will start to be active again at this time, which is conducive to the recovery of mental strength.

结合 The combination of these two modes will form a sleep cycle, which takes about 90 to 110 m ...

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