These have become some of our favorite books dealing with bed/sleep/wake up time.
Cornelius p mud are you ready for bed
I dare you not to yawn
time for bed
going to sleep on the farm
good night gorilla
I am not going to get up today
pajama time
the going to bed book
the napping house
why do I have to make my bed
llama llama red pajama
ten in the bed
sleep, black bear sleep
a childs good morning book
only the cat saw