Catch some Z's.
Catch some Z's.
Catching some Z's" is a playful way of saying that someone is going to sleep. The letter "Z" is often associated with cartoon depictions of sleep where z's float above the heads of sleeping characters to indicate snoring. So, if someone says they're going to catch some Z's, they're planning to sleep soon.
I need to catch some Z's before the meeting.
I need to sleep before the meeting.
He went home early to catch some Z's.
He went home early to get some sleep.
After working all night, she decided to catch some Z's before starting her day.
After working all night, she decided to sleep before starting her day.