The best baby lullabies: traditional Rock-a-Bye Baby. Rock-a-Bye Baby is one of the most well-known lullabies, with roots tracing back to the 1700s. While its lyrics do hint at a ...

"If a baby likes to listen to white noise or a lullaby on a sound device as they go to sleep, it does need to be on all night. Some devices cut off after a certain amount of time and that's not a ...