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Lesson	Objectives
Pre-lesson Activity: Sleep Diary	Learn that sleep/wake cycles vary among individuals.
1. What is Sleep?	Understand that sleep is an essential behavior necessary for survival.
2. Houston, We Have a Problem	Explore the two major states of sleep, NREM and REM.
3. Do You Have Rhythm?	Humans have an internal biological clock--sensitive to environmental cues--that directs the sleep cycle.
4. Evaluating Sleep Disorders	Various factors can lead to sleep disorders, most of which are treatable.
5. Sleepiness and Driving: What You Don’t Know Can Kill You	Sleep loss has negative impacts on society and medical consequences.