Exploring Consciousness, Sleep, and Dreams
8th Grade · Health · 35 min
Lesson Preview
Learning Objective
I can define consciousness and describe its different levels, including sleep and dreaming.
- 1
Sleep is a periodic, natural, reversible, and near total loss of consciousness.
- 2
During sleep, the pituitary gland releases growth hormones, which is why babies sleep so much.
- 3
The four stages of sleep are NREM-1, NREM-2, NREM-3, and REM sleep, which stands for rapid eye movement.
