3 ms·
That's just how sleep works. Everyone's REM sleep cycles last 90-120 minutes. https://www.howsleepworks.com/types_rem.html https://www.howsleepworks.com/types
by rando444 9y ago
That's just how sleep works. Everyone's REM sleep cycles last 90-120 minutes.
https://www.howsleepworks.com/types_rem.html https://www.howsleepworks.com/types_rem.html