Hit the sack
The idiom “hit the sack” is a colloquial expression that means to go to bed or to go to sleep. It’s a phrase that is commonly used in everyday language to convey the action of heading to bed for the night. The origins of this idiom date back to the early 20th century when mattresses were often made of sacks filled with straw or feathers. In those times, people would literally hit or pat the sack to fluff it up and make it more comfortable before lying down to sleep. This physical action of preparing the sack for sleep eventually led to the figurative meaning of the phrase “hit the sack” to simply mean going to bed.
The Idiom “hit the sack” is a casual and informal way of expressing the idea of going to sleep. It’s a light-hearted and friendly term that is often used in a relaxed context. People may use this idiom to informally inform others that they are ready to retire for the night after a long day or a late night out. It’s a versatile phrase that can be employed in various situations to indicate the act of getting some rest.