REM stands for Rapid Eye Movement sleep and is the phase of sleep during which dreaming occurs. REM sleep follows the 3 stages on Non-REM sleep and is also know as active sleep.
REM sleep happens about 90 minutes after falling alseep and initially lasts about 10 minutes. Each stage of REM sleep gets longer; the last one can last up to an hour. We can have from 4 to 6 sleep cycles a night meaning we can experience REM sleep 4 to 6 times every sleep.
During REM sleep the body repairs tissues, build bones, and strengthens the immune system.
Adults can spend about 20% of their sleep in REM whereas babies about 50%.
REM is sometimes called paradoxical sleep because oxygen consumption is also very high, often higher than when awake.
REM sleep happens about 90 minutes after falling alseep and initially lasts about 10 minutes. Each stage of REM sleep gets longer; the last one can last up to an hour. We can have from 4 to 6 sleep cycles a night meaning we can experience REM sleep 4 to 6 times every sleep.
During REM sleep the body repairs tissues, build bones, and strengthens the immune system.
Adults can spend about 20% of their sleep in REM whereas babies about 50%.
REM is sometimes called paradoxical sleep because oxygen consumption is also very high, often higher than when awake.
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