Idiom idiom
hit the sack
Meaning
Go to sleep
Examples
“I am very tired, so I will hit the sack now.”
“After driving for ten hours straight, the travelers were relieved to finally reach the hotel and hit the sack.”
“Despite the urgency of the project, the exhausted architect decided to hit the sack, knowing that a few hours of rest would improve his focus the next morning.”
Origin
disputed origin
disputed origin
Early 20th century; mattresses were once sacks stuffed with hay or straw, so going to bed was hitting the sack (compare 'hit the hay').
Last updated June 7, 2026