this is interesting. i added Xiao D in, and sent "小D你晚上不睡觉吗？"
Xiao D responded:
By no means will I leave the front door on the latch at night now. 现在我无论如何不会晚上不锁门睡觉了.
What time do you go to bed at night? 你晚上几点钟睡觉？
Good morning, doctor. My baby cried the whole night last night. He wouldn't sleep at all. 早上好，医生。昨天晚上我孩子整夜哭闹，他一直不睡觉。
Do you sleep well ? 你睡觉好吗?
Are you doing anything tonight? 你今天晚上有事吗?