hit the hay | hit the sack

American English

Meaning: If you hit the hay, or hit the sack, you go to bed.

For example:

  • It's after midnight so it's time I hit the hay.

  • You look really tired. What time did you hit the sack last night?

Origin: Probably related to the fact that in the U.S.A. in the late nineteenth century and early twentieth century mattresses often consisted of old sacks filled with hay or straw.

Variety: This idiom is typically used in American English but may be used in other varieties of English too.

Quick Quiz:

I'd better hit the hay. I have to

a. finish this job right now

b. feed the horses

c. get up early in the morning

Idiom of the Day

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Contributor: Matt Errey