In this ESL lesson plan for adults and teens, students watch a video and do a listening exercise about what happens when we sleep and the stages of the sleep cycle. It includes discussion questions and conversation activities about sleep. Students also learn some important vocabulary terms and phrases from the video. The post-viewing section includes activities on quotes from the video and CCQ discussion activities based on vocabulary featured in the video. The grammar activity features the usage of "as if" + [subjunctive mood]. There is a vocabulary activation and an additional speaking task included, as well as a quiz and review section.

Sleep is central to maintaining your physical and mental health, but many people don't sleep enough. We all do it, but what happens to us when we sleep?