A:John, are you sleeping? 约翰,你睡着了吗?
B:No, I'm up. 没有,我还醒着。 Have you turned in yet? 你睡了吗?
Don't wait up for me. 不要等我回来才睡。 He isn't ready for bed yet. 他还打算睡呢。 It's midnight. Aren't you coming to bed? 都已半夜了,你还不睡吗? I'll sit up with the baby until he falls asleep. 我要等婴儿睡着了再去睡。