REM sleep: Apnea can occur in all stages of sleep but usually is worse in REM sleep and when sleeping on your back.
Answered 2/13/2015
6.3k views
Latter half: Obstructive apneas can happen any time you are sleeping, however, in general obstructive apneas tend to be worse during rem sleep. Rem sleep is more prominent during the latter half of the night. This is different from central sleep apnea, where central apneas tend to be improved during rem sleep.
Answered 10/23/2017
5.9k views
All night: But the most dangerous part is the first hour.
Answered 9/10/2013
4.9k views
2 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
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