1.   At night our internal clock, sleep, and our inactive environment act together to Decrease temperature and urinary loss.

2.   For example, during the daytime the internal clock as well as our life-style and environment raise body temperature and the urinary removal of water.

3.   When users set the alarm in the internal clock, they would click on a picture of a rooster.

4.   His internal clock indicated that his energy levels were at zero.

5.   Also, while melatonin is a potent time-setter for our internal clocks, the most powerful determinant is daylight, which suppresses melatonin release by the pineal.

6.   A senior, his internal clock has to be ticking loud enough to bust his eardrums.

7.   After nine years in the league, Perry has developed an internal clock.

8.   But nothing has thrown my internal clock out of whack like the birth of my daughter.

9.   By isolating specimens whose internal clocks were out of sync, scientists were able to locate the genes that control biological rhythms by identifying genetic variations.