When you say you are going to ‘Hit the Hay’ you mean that you are going to bed.
Example of use: “I’m exhausted. Time to hit the hay.”
Interesting fact about Hit the Hay
The term ‘hit the hay’ is believed to have originated in 1903, when The Oakland Tribune reported that “Sam Berger, the Olympic heavyweight…was sleepy and he announced that ‘he was going to hit the hay.’”
