31.   He is also nationally known for his research on sleep deprivation and for the dozens of educational films and television specials he has produced.

32.   He said the IAAF panel sacrificed him because it did not want to not set a precedent that dietary supplements and sleep deprivation may skew the test results.

33.   He soon developed permanent heart arrhythmia from sleep deprivation.

34.   Heavy drinking, late-night parties or gift-wrapping sessions may cause sleep deprivation that, in some cases, manifests itself in headaches.

35.   Here, Dement talks about his research and his personal crusade against sleep deprivation.

36.   I came back, and was so exhausted that I checked myself into a clinic for sleep deprivation.

37.   In animal studies, sleep deprivation has even proved fatal.

38.   In an interview, Hembree said that sleep deprivation causes the adrenal gland to work overtime, pumping out three times more cortisone and other hormones than normal.

39.   It can be caused by anything from a serious neurological disturbance to simple sleep deprivation.

40.   It probably had something to do with the sleep deprivation because we had to wake up so early.