I've been keeping a sleep journal for a couple of weeks now. The journal includes Fitbit readings (for what they're worth) of sleep cycles. One thing struck me as odd: most of the articles that I have read on sleep cycles mention that people cycle into REM within 90 minutes *on average*, then they become more frequent in the second half of the night. Mine seem to be a bit haywire. I usually fall asleep about 8:05 p.m. and up about 4:30 to 4:45 a.m. Again, for what the readings are worth… read more
I recently learned that delayed REM can be caused by taking anti-depressants. I'm on two of them plus another one for anxiety. When I wasn't taking them I was usually hitting REM immediately.
In narcolepsy, REM sleep is irregular and often begins within minutes after falling asleep, which is much earlier than normal.
Thanks all. I wasn't sure if delayed REM was an indicator of narcolepsy or not but seems that it is.
Abnormal REM timing is common with narcolepsy. I can enter REM within minutes of falling asleep.
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