catch some Z's

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catch some Z's

To get some sleep. In illustrations such as comics, three (or more) Z's are often used to represent sleep or snoring. We've got a pretty long layover before our next flight, so I'm going to try to catch some Z's at the gate. Jeff's upstairs catching some Z's. It's been a hard week for him.
See also: catch

catch some z's

Take a nap, go to sleep, as in I stayed up all night studying so I'd better catch some z's. This term alludes to the buzzing sound of snoring. [Slang; second half of 1900s]
See also: catch