In normal sleep, the body goes through two stages: REM and deep sleep. Deep sleep is when the body is able to repair damage and grow. REM sleep is when dreams occur and the brain organises memories and new experiences. Alcohol tends to lengthen deep sleep time, disrupting the time spent in REM sleep.
Although it may seem positive that the body has more time to restore itself during sleep, the sleep cycle is carefully regulated by a variety of chemicals to ensure that the body and brain
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