CFFs4ever1234
CFFs4ever1234
18-03-2017
Health
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when should you have REM?
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steff9
steff9
18-03-2017
Usually, REM sleep happens 90 minutes after you fall asleep. The first period of REM typically lasts 10 minutes. Each of your laterREM stages gets longer, and the final one may last up to an hour. Your heart rate and breathing quickens
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