- Explain circadian rhythms and how they can be disrupted
- Describe the brain structures and hormones involved in sleep
- Describe theories about the function of sleep
- Understand the difference between REM and non-REM sleep
- Describe the stages of sleep
- Compare and contrast theories about why we dream
Practice matching the key vocabulary in this section and then apply your knowledge by helping an intern at your sleep clinic solve some issues he faces during the night.