ಅರ್ಥ : Prepare for sleep.
ಉದಾಹರಣೆ :
I usually turn in at midnight.
He goes to bed at the crack of dawn.
ಸಮಾನಾರ್ಥಕ : bed, crawl in, go to bed, go to sleep, hit the hay, hit the sack, kip down, retire, turn in
Sack out meaning in Telugu.