11.   Famed for setting his own internal political clock, Bradley has positioned himself as a centrist critic of the Clinton administration.

12.   Every variety of lettuce comes with an internal clock, and as it grows it counts the hours of daylight each day.

13.   Forget for a moment the doomsday scenario of computers crashing in tandem as their internal clocks freak out.

14.   His inventins include a lighting device to help shift workers adjust their internal clocks and a catheter that destroys the heart cells responsible for fatal arrhythmia.

15.   Her internal clock all gummed up, she got only a little more than an hours sleep before reporting to the Dome the next morning.

16.   If the internal clock has a tendency to run slow, morning light automatically shifts it ahead, putting it back in step with the world outside.

17.   Instead each individual follicle seems to have its own internal clock that drives it from growth to regression and back again.

18.   Last is the internal Israeli clock.

19.   Likely, his internal clock has gone haywire.

20.   Many said they could program this internal clock to a specific wake-up time by focusing on the desired time before falling asleep.