I think it's time to go to bed.
我想该睡觉了。
She would be in bed by now, as like as not.
这工夫她很可能睡了。
Could you give me a bed for the night?
今晚你能给我弄个睡的地方吗？
Could you help me change the bed?
你帮我换一下床单好吗？
I'm going to go to bed and read.
我要上床看书去。
