Famous Sleep Facts
How many hours of sleep does a teen need per night?
8-10 hours
Blue light from what devices can delay sleep in the night?
Phones/screens.
How many main stages of sleep are in the sleep cycle? Name them.
4 (N1, N2, N3, REM)
What is melatonin?
A hormone, released in darkness, to help regulate sleep.
What is insomnia?
Difficulty falling or staying asleep is known as this.
What is REM sleep?
This stage of sleep is when most dreams happen.
What popular beverage is said to be able to keep you awake?
What stage does light sleep begin in?
N1
What is the circadian rhythm?
Your internal "biological clock".
What is sleep apnea?
Loud snoring and paused breathing during sleep happens in this disorder.
What percentage of their life do most humans spend sleeping?
How long do experts suggest avoiding screens before bed?
30-60 minutes
What is N3?
This stage of sleep is also called "deep sleep" or "slow-wave sleep."
What is the prefrontal cortex?
This lobe of the brain is mostly offline during dreams, which is why dreams feel illogical.
What is restless leg syndrome?
Feeling a creepy, tingly urge to move your legs at night is this syndrome.
What animal needs only 1.9 hours of sleep per night?
A giraffe
What can meditation/deep breathing do for you before bed?
Lower heart rate and relax the body
What is muscle paralysis?
During REM sleep, your body does this to prevent you from acting out dreams.
What is rapid eye movement?
REM sleep is named after this kind of movement.
What is narcolepsy?
Suddenly falling asleep during the day due to brain signaling issues is called this.
What is sleep paralysis?
This rare phenomenon occurs when a person becomes aware they’re dreaming but cannot move their body.
Keeping your room at what temperature could help you fall asleep faster?
18-20° C
A full sleep cycle lasts about this many minutes.
90
What is the pons?
This paralyzes the brain during REM sleep.
What is REM sleep behavior disorder?
This condition causes people to act out dreams because REM paralysis doesn’t work.