definitions

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]

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RELATED WORDS

retire, bed, flop, nap, rest

Nearby words

catch pit, catch points, catch red-handed, catch sight of, catch some rays, catch some z's, catch someone's eye, catch stitch, catch the drift, catch up, catch-22
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.