I fall asleep fine but wake at
[time] and can't get back. My
routine: [describe]. The common
causes of this specific pattern,
and what to try, in order.

Waking Up in the Middle of the Night

Aimed at the middle-of-the-night pattern specifically.

Prompt

I fall asleep fine but wake around [time] and can't get back to sleep. Here's my routine and situation: [describe]. Walk through the common causes of this specific pattern and what to try, in order.