1.   As a woman, I would not walk a boardwalk at night by myself.

2.   Houses have been invaded at night by machine-gun wielding thugs.

3.   I put myself to sleep each night by imagining that I am in grave danger.

4.   Kate stayed up all night by his bedside.

5.   The viscera were removed, encased and buried at night by torchlight.

6.   Three ships were sunk that night by enemy torpedoes.

7.   Visible only at night by some one wearing night-vision goggles, the light appears green or yellow.

8.   We were woken in the night by thunder.

9.   The army bivouacked for the night by the lake.