An organ that controls thought, memory, and all other body processes.
The Brain
There are this many stages in a typical sleep cycle.
4
About 4-5 of these will happen for 70-120 minutes every night when you sleep.
Sleep Cycles
Frontal Lobe
This stage involves "Dozing off" and your body and brain starts to slow down.
Stage 1
If you are ages 6-12, you need at least this many hours of sleep every night.
9 hours
This letter in GROUPS norms tells us to give others a chance to speak.
Letter G
Key part of the brain that involves attention, emotions, and self-control. Does NOT fully develop until mid twenties.
Pre-Frontal Cortex
Known as REM sleep, this stage involves dreaming and paralyzed muscles
Stage 4
Also called your "body clock", this process shifts in your teens and causes you to stay up late.
Circadian Rhythm
This letter in GROUPS norms tells us to participate to the best of our ability.
Letter P
Key part of the brain that involves emotions, reward response, and fight or flight response.
Amygdala
During this stage, your body temperature drops and your eye movement completely stops.
Stage 2
This involves your environment and behavior before going to sleep.
Sleep Hygiene
This letter in GROUPS norms tells us to observe and be open to what others have to say
Letter O
Key part of the brain that involves memory, learning, and navigation
Hippocampus
This stage is nicknamed "Deep Sleep", where your brain activity starts a pattern called delta waves.
Stage 3
You should avoid screens for this many minutes before bed.
30 minutes
This letter tells us that what is said in the group, stays in the group.
Letter S
This is a process that protects nerve fibers which helps with cognitive development.
Myelination