1, Never go to bed on an argument. 

2, Better go to bed supperless than rise in debt. 

3, Go to bed with the lamb and rise with the lark. 

4, Did you go to bed late last night?

5, Latch the door before you go to bed.

6, Lay aside your book and go to bed.

7, This is his accustomed hour to go to bed.

8, Does he ever go to bed sober?

9, I mainly go to bed around midnight.

10, I think I'll go to bed early tonight.

11, Dear, go to bed. You're slumbering.

12, Please unplug the TV before you go to bed.

13, When did you go to bed last night?

14, I usually go to bed at 10.

15, You must go to bed directly after tea.

16, It is very late; hence you must go to bed.

17, I shall have a hot bath and go to bed.

18, I go to bed early if I'm travelling the next day.

19, Always take your make-up off before you go to bed.

20, Daddy,(http://sentencedict.com/go to bed.html) if I go to bed now will you tuck me in?

21, I tend to go to bed earlier during the winter.

22, Remember to review your lessons before you go to bed.

23, I think it's time to go to bed.

24, She was the last to go to bed.

25, Pick up your room before you go to bed.

26, Turn the lights out when you go to bed.

27, Unplug the TV before you go to bed.

28, If it's all right with you, I'd like to go to bed now.

29, We usually have tea at about 5.30 p.m., then supper before we go to bed.

30, I want to finish off this essay before I go to bed.