hit the sack

idiom/hɪt ðə sæk/ 🔊 listen

Hit the sack is a casual idiom meaning to go to bed and sleep. ('Sack' is old slang for a bed.) It's relaxed, everyday language, usually said when you're tired and ready to call it a day.

📖 Meanings

1to go to bed, to go to sleep
"I'm exhausted — I'm going to hit the sack." — I'm exhausted — I'm going to go to bed.
2to head to bed for the night
"It's late; let's hit the sack." — It's late; let's go to bed.

🔄 Related phrases

hit the hay →go to bed →call it a night →

💬 Common patterns

going to hit the sacktime to hit the sacklet's hit the sack
❓ You're tired and heading to sleep. How do you say it?