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。
You'd better go to bed and nurse that cold.
你最好上床睡觉，把感冒治好。