She would be in bed by now, as like as not.
這工夫她很可能睡了。
Could you give me a bed for the night?
今晚你能給我弄個睡的地方嗎？
Could you help me change the bed?
你幫我換一下床單好嗎？
I'm going to go to bed and read.
我要上床看書去。
You'd better go to bed and nurse that cold.
你最好上床睡覺，把感冒治好。