1.   Some experts believe that adrenaline provides the body with the extra boost it needs to make up for lost sleep.

2.   Then they escorted us to our rooms, where we gratefully made up for lost sleep.

3.   If so, it would be a nice continuum, and a just reward for the lost sleep.

4.   It was worth the lost sleep.

5.   They use the weekend to accommodate for lost sleep from the week.

6.   They shrugged off the lost sleep and showed their students the town.