The first REM period might last 10 minutes and it lengthens each time (viaWebMD).

We know REM is important so what happens when we’re woken up in mid-REM?

Waking up in mid-REM: Sleep drunkenness

Yes, waking up drunk from sleep is a thing.

waking up to an alarm

Nuclear Regulatory Commission).

Waking up in mid-REM: Extra creativity

Here’s where it gets weird.

waking up badly

bad mood

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