Reported today on PBS radio a study about the detrimental effects of sleep deprivation, but I could not locate an adequate link. You name it, Any disease or condition you are prone to, sleep deprivation makes you more susceptible to it. In lab rats given cancer, in those who were sleep deprived, the tumors grew twice as fast. Sleep deprived people eat up to 500 extra calories per day. A large trucking company virtually emininated all of their catastrophic accidents by testing their drivers for sleep apnea. Studies of airline pilots, indicate that continuous sleep deprivation of international flights, in addition to high altitude radiation shortens pilot lives significantly. Sleep deprived young adults are much more susceptible to accidents. The report when on and on and on. If I find an associated link, I'll post it.