1.   However, an environment in which people can not sleep adequately because of excessive noise can not be considered a safe environment.

2.   Sleep is usually used when talking about how long, how deeply, or where someone sleeps.

3.   When saying that someone is not awake, you use be asleep?

4.   Most people sleep for about eight hours.?

5.   Homeless people sleep in the doorways of the shops.

6.   And most people would rather sleep in their own bed, anyway.

7.   He had been brought up in a hut where six people slept in one bed.

8.   And it seemed wrong that married people slept in twin beds and when the women woke up, their lipstick and hair were perfect.

9.   Authorities said that Smith might not have meant to cause the deaths, but that he knew people were sleeping in the apartment.