You might think a lullaby ... songs, such as "Rock-a-Bye Baby" or "Hush, Little Baby." But a lullaby can be any soothing tune ...

We spoke to baby sleep consultant Andrea Grace to find out… A lullaby is a song or piece of music that ... or a lullaby on a sound device as they go to sleep, it does need to be on all night.

They've been part of parenting for thousands of years, singing a lullaby to get a baby or small ... time with a personal song, you will help establish a routine and make sleep time an easier ...