go to bed
turn in *
bed ****
crawl in
kip down
hit the hay
hit the sack
sack out
go to sleep
retire ***

She went to bed happy for the first time in years.

I want to take them out and go to bed.

She'd put the key outside her door and gone back to bed.

Get up and go to bed at the same time each day.

All I want is to go to bed with her.

He read for about half an hour and then went to bed.

She was on the point of going to bed when he came in and sat down.

I may go to bed early and read me books.

Asked him if he usually went to bed so early.

Father came last night after I had gone to bed.