hit the sack
Speech parts
1. hit the sack - Verb
2. hit the sack - Phrase
Meaning
prepare for sleep
Source: WordNetSynonyms
hit the hay
bed
retire
turn in
go to bed
go to sleep
kip down
sack out
kip
rest
sleep
crash
nap
doze
snooze
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Antonyms
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Related terms
Examples
I usually turn in at midnight
He goes to bed at the crack of dawn
Don't worry though, you can totally whip up that pitcher of margs after the kids hit the sack.
You need to hit the sack earlier.