I use my phone which I keep charged next to the bed.
Most modern phones can easily record several hours of audio, so someone could just start a recorder before they go to bed, not even have to touch the phone at night, and fast-forward through it in the morning to get any relevant clips.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Previous Open Thread
Next Open Thread
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.