Tag Archives: 5 stages of sleep

Sleeplessness and The 5 Stages

By RodneyB | Published: December 9, 2008
Looking for information on a sleep study for apnea? Learn as much as you can about sleep to tackle apnea or insomnia. In most people, REM sleep occurs about every 90 minutes throughout the night (about every 60 minutes in infants). The first REM period of the night is very short, about 5 minutes, the second [...]
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