9. Good night, sleep tight, sweet dreams. 晚安,睡个好觉,做个好梦。 10. I want to stay in bed for another half an hour. 我真想在床上多睡半个小时。 11. Let me sleep on for ten minutes. 让我再睡10分钟。 12. Did the alarm go off? 闹钟响了吗?