How much do you really know about sleep? Find out:
Sleep Myths Quiz
Sleep IQ Test

Can't sleep at night? Take these assessement tests to learn about your sleep habits and share them with your doctor!
Insomnia Assessment Test

Cycles of Sleeping and Waking
Check out the dynamic 3-D animations of the Doze family members depicting effects of age and sleep and alertness influencers such as shift work, caffeine, alcohol, stress and "Monday morning blues" and watch as the control panel demonstrates several inter-related behavioral and internal systems.

http://www.sleepfoundation.org/quiz/index.php