
Exploring Sleep Stages and Cycles
Grade 11th Grade · Health · 30 min
What's Included
Learning Objective
I can describe the different stages of sleep, sleep cycles and their characteristics.
Warm-Up Video
Professor Dave Explains · 10:52
The Biopsychology of Sleeping and Dreaming
Guided Notes
3 key concepts
- 1
The three stages of sleep (N1, N2, and N3) can be distinguished by brain waves on an EEG.
- 2
One sleep cycle lasts approximately 90 minutes, and as time passes, more time will be spent in stage one and less time will be spent in stage three.
- 3
REM sleep is characterized by pronounced cerebral activity, approaching waking levels, and is the stage of sleep where dreaming most commonly occurs.
Practice Questions
3 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Describe what happens to brain wave frequency and voltage as a person transitions from sleep stage N1 to sleep stage N3. Also, name two unique EEG characteristics of stage N2 sleep.”
Complete Lesson Package
Get all 3 ready-to-use resources:

