How much do you know about sleep? Scientists have found that there are five stages of sleep. Stage 1 It's a stage of very light sleep. Breathing is smooth, but the brain isn't sleeping. stage 2 The brain begins to slow down. stage 3 and 4 These are deep sleep stages. During these stages, the brain slows down more and more. The person doesn't wake up easily. Stage 4 is the deepest sleep of all. Sometimes people get out of bed and walk around during this stage! Stage 5 The brain begins to wake up again. During this stage, people dream the most.1
Sleep! How much do you know?
How much do you know about sleep?
Scientists have found that there are five stages of sleep.
Stage 1
It's a stage of very light sleep.
Breathing is smooth, but the brain isn't sleeping.
stage 2
The brain begins to slow down.
stage 3 and 4
These are deep sleep stages.
During these stages, the brain slows down more and more.
The person doesn't wake up easily.
Stage 4 is the deepest sleep of all.
Sometimes people get out of bed and walk around during this stage!
Stage 5
The brain begins to wake up again.
During this stage, people dream the
most.