count sheep
idiomPart ofcount
count sheep — idiom
1. to imagine sheep jumping over a fence and count them, as a mental trick to help
1.idiom
Definition
to imagine sheep jumping over a fence and count them, as a mental trick to help yourself fall asleep
Example
Joshua could not fall asleep, so he tried counting sheep until he finally dozed off at two in the morning.
When Megan feels anxious at bedtime, counting sheep helps her relax and drift off to sleep.