She didn't sleep with him again during the week before he left home.

Do you sleep during the day rather than at night?

Perhaps he would be able to sleep during the day.

There are, of course, people who feel they just cannot sleep during the day.

He told me it's natural for him to sleep during the day.

My problem was that I could not sleep during the day.

"So you sleep during the day and go out at night."

Like most other living things he had not slept during the night.

Best to sleep during the day and stand guard at night.

"I didn't sleep much during the first six months we were open," he said.