This stage includes light sleep.
What is Stage 1 NREM?
This theory suggests that sleep is necessary to "fix" the body, clear toxins, and repair tissues used during the day.
What is restorative theory?
The circadian rhythm typically lasts approximately this long.
What is 24 hours?
Studies show that a person can go around this long without sleep
What is 3 days?
This stage is associated with vivid dreaming.
What is REM sleep?
REM stands for....
What is Rapid Eye Movement?
A full sleep cycle typically lasts this long.
What is about 90 minutes?
Approximately this many sleep cycles occur in a night
What is 4-6?
These brain waves dominate deep sleep.
What are delta waves?
This system conducts waste clearance on the brain during sleep (cleans the brain)
What is the glymphatic system?