Exploring Sleep Stages and Brain Waves
Grade 11th Grade · Health · 45 min
What's Included
Learning Objective
I can describe the different stages of sleep and sleep cycles and their associated brain wave patterns.
Warm-Up Video
Professor Dave Explains · 10:52
The Biopsychology of Sleeping and Dreaming
Guided Notes
3 key concepts
- 1
During stage two (N2) sleep, EEGs show K complexes, which involve a large negative wave followed by a large positive wave, and sleep spindles, which are brief bursts of 12 to 14 hertz waves.
- 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 the other stages, especially stage three.
- 3
Recuperation theories propose that wakefulness disrupts homeostasis, and sleeping allows the body to perform crucial tasks, while adaptation theories propose that we evolved to sleep at night because darkness is dangerous.
Practice Questions
7 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Describe the three stages of sleep (N1, N2, and N3) and REM sleep. Be sure to include the brain wave patterns associated with each stage.”
Complete Lesson Package
Get all 3 ready-to-use resources:
