go to bed with the chickens
To go to sleep at a particularly early hour, usually around sundown (i.e., the hour when chickens go to sleep). Mom goes to bed with the chickens, so we can definitely sneak out and go to the party. The farmhands all seem to go to bed with the chickens.
go to bed with the chickens
Fig. to go to bed at sundown-at the same time that chickens go to sleep. They say that farmers go to bed with the chickens. We always go to bed with the chickens and get up early too.