The oldest two are two and a half weeks, and the youngest are probably 2-3 days old.
Eventually the battery on the little moon light ran out so I think that should work, that maybe they panicked cause they weren't ready for bed yet.
Should I get my chicks a night light?
They used to have a heat lamp but I just switched to a brooder plate. During the day they are fine, happily napping. But at night, they start chirping as loud as possible, I think they're afraid of the dark!
I put on a dim light in the room and it got them...