Exploring the Stages of Sleep
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Objective
I can describe what happens to my body and brain during each stage of sleep.
Part 1 of 4
Warm-up video
TED · 4:48Vetted channel
We don't generate video — this one is by TED on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
Sleep can be divided into two main types: non-REM sleep and REM sleep.
- 2
During deep non-REM sleep, the body recharges its immune system and overhauls its cardiovascular system, while the brain consolidates memories.
- 3
Most vivid dreams occur during REM sleep, which also provides emotional first aid and boosts creativity.
Part 3 of 4
Practice
3 questions
Describe what happens to your heart rate, body temperature, and brain wave activity as you progress from stage one to stage four of non-REM sleep.
The video mentions that non-REM and REM sleep engage in a 'cerebral war' throughout the night. How long does one full cycle of this 'war' last, and how does the composition of non-REM and REM sleep change throughout the night?
Part 4 of 4
Exit ticket
Quick comprehension check
“Describe two important processes that occur in your body and brain during stage 3 sleep.”
Sample answer included in the free materials
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