hit the sack Example Sentence:

Having a consistent bedtime routine, meaning what you do before bed as well as when you hit the sack, is key to falling asleep fast and staying asleep through the night.

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Related: hit the sack

Prev: I've got a busy day tomorrow, so I think I'll hit the sack.

Next: If they like to have the lights out by nine and you don't usually hit the sack until midnight, there is no need to sit down with them and have a big, dramatic talk.