21.   Chronic sleep deprivation may also set the stage for health problems later in life.

22.   Despite our sometimes severe sleep deprivation, the running gives us more energy and the camaraderie is invaluable.

23.   Dozens of students work as production staff on his award-winning films about sleep deprivation.

24.   Driving two all-wheel-drive Porsche Carreras, our team had to overcome endless miles of sleep deprivation, aching muscles and each other.

25.   Equally important, sleep deprivation diminishes our ability to experience pleasure.

26.   Experts say this may lead to chronic sleep deprivation, fatigue and inadvertent napping on the job.

27.   Fact is, sleep deprivation can become a serious problem.

28.   Experts comment on the effects of sleep deprivation on decision making.

29.   Hart also logs plenty of sleep, because sleep deprivation adds to stress.

30.   He explained that doctors have to perform at the highest levels in order to save lives, and that sleep deprivation can have an adverse effect on their performance.