Regardless of how we feel when we are awake — tired, elated, energetic, apathetic, interested, bored, all wakefulness is sleep deprivation. Some people think that the ordinary waking day is not sleep deprivation. They are wrong.
- William C. Dement, M.D., Ph.D
How many Americans are seriously or dangerously sleep deprived? There is no doubt whatsoever that vast numbers of us in school, in the workplace, in the transportation industry, in a variety of service industries, and particularly, in shift work situations, are carrying a dangerously large sleep debt.
- William C. Dement, M.D., Ph.D
Sleep disorders are illnesses and disturbances of sleep and wakefulness that are caused by abnormalities existing only during sleep or abnormalities of specific sleep mechanisms. These abnormalities typically produce symptoms during wakefulness that are easily recognized if the person is aware of their significance, but the fundamental pathology exists during sleep.
- William C. Dement, M.D., Ph.D
We have learned that we can have a health problem during our sleep which may not be apparent to us when we are awake. Therefore, unless we know our sleep is healthy, we cannot be sure we have total good health.
- William C. Dement, M.D., Ph.D
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