The Centers for Disease Control and Prevention offers information to teach patients about the importance of getting sufficient sleep. “Are you getting enough sleep?” is available at http://www.cdc.gov/Features/Sleep/. It explains how many hours of sleep people need each night and describes common sleep disorders, including insomnia, narcolepsy, restless leg syndrome, and sleep apnea. The online resource also offers tools to improve the quality of sleep and tips on how to sleep through the night.