Introduce the concept of sleep science. Mention that sleep is not just a passive state but a dynamic process with several stages.

Explain the basics of the sleep cycle. Point out that there are multiple stages of sleep that alternate throughout the night.

Discuss why sleep is important. Relate content to improved concentration, memory, and overall well-being which are relevant for students.

Introduce common barriers to sleep, such as screen time and stress. Encourage students to think about their own experiences with these barriers.

Summarize the scientific aspects covered so far and transition into the reflective activity where students can consider their own sleep habits.