in a sound sleep
in a sound sleep
Deeply asleep and difficult to rouse. Jen was in a sound sleep and didn't hear her alarm this morning. I've been having such strange dreams lately that I'm thrilled to have spent last night in a sound sleep!
See also: sleep, sound
Farlex Dictionary of Idioms.
- sound asleep
- dead asleep
- read (oneself) to sleep
- read oneself to sleep
- be in the Land of Nod
- in the Land of Nod
- hincty
- not believe (one's) ears
- not believe eyes
- on the outs with someone