Re: Bingo! Sleep mysteries unfold

I''ve suggested that NREM sleep is for replenishing the body.

http://my.clevelandclinic.org/disorders/sleep_disorders/hic_sleep_basics.aspx

During NREM sleep, the body repairs and regenerates tissues, builds
bone and muscle, and appears to strengthen the immune system. As you
get older, you get less NREM sleep. People under age 30 have about two
hours of restorative sleep every night, while those over 65 might get
only 30 minutes.

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