反义词是go to bed，表示睡觉的意思，例如：
1、Go to bed. You look tired out.去睡觉吧，你看上去（已是）满脸倦意。
2、All right. I'll go to bed.好吧，我去睡觉吧
3、I think it's time to go to bed.我想该睡觉了。
4、I'm going to go to bed and read.我要上床看书去。
5、You'd better go to bed and nurse that cold.你最好上床睡觉，把感冒治好。
