Sing (one) to sleep spoken language verb phrase
Used to indicate singing to help someone fall asleep.
I remember when I was a kid. My mother usually sang me to sleep.
Be quite. I'm singing her to sleep.
The baby cries and makes her mother sing him to sleep.
Her voice was so boring that I felt like it was singing me sleep.
It's mostly used in the present tense.
The idiom is used to say that someone is stupid, unthinking, or inattentive.
When I tell them anything, they look at me like the lights are on, but nobody's home.