1.   Anyway, Alan needed his sleep, he had books to read, plans to draw, and essays to write.

2.   Apparently the animal can go all winter without food, but it periodically needs real sleep.

3.   I needed some sleep.

4.   People say that older people need less sleep.

5.   Periodically there are press reports of otherwise healthy individuals who need no sleep at all.

6.   At the least, I needed some sleep.

7.   Even if I were a man of deep sensibility and tact -- and it sounds pretty wimpish to me!

8.   You look like you need a sleep.

9.   And rescue workers need sleep.

10.   And the townspeople, most who needed their sleep because of the strenuous activity of the previous day, were wide awake.