Most people think that a heavy meal, a warm room, a comfortable bed, a boring lecture, an alcoholic beverage will cause sleepiness. None of these things cause sleepiness. Rather, they unmask sleepiness. If you do not have a sizable sleep debt, you will never get sleepy in the daytime.
- William C. Dement, M.D., Ph.D
Most people think that a heavy meal, a warm room, a comfortable bed, a boring lecture, an alcoholic beverage will cause sleepiness. None of these things cause sleepiness. Rather, they unmask sleepiness. If you do not have a sizable sleep debt, you will never get sleepy in the daytime.
- William C. Dement, M.D., Ph.D