turn in

make an entrance by turning from a road; "Turn in after you see the gate"

to surrender someone or something to another; "the guard delivered the criminal to the police"; "render up the prisoners"; "render the town to the enemy"; "fork over the money"

carry out (performances); "They turned in a splendid effort"; "They turned in top jobs for the second straight game"

prepare for sleep; "I usually turn in at midnight"; "He goes to bed at the crack of dawn"