Sleep Among Animals
Sleep History
Stages of Sleep
Sleep Health
Dreams
100

Cats

True

100

sleep deprivation

11 hours, no longer accepted as a competition as it can lead to severe health problems and even death

100

dream

REM

100

tolerance

pain tolerance. Get your sleep!

100

dreaming in color

80%

200

Staying up

True

200

Color TV

15%

200

life sleeping

1/3

200

adults sleep???

6.5-7.5 hours

200

faces in dreams

False, you can only dream faces you have seen even if it was super brief.

300

sleep apnea

English bull dogs

300

17th century

True

300

REM

rapid eye movement

300

Napping

26 minutes

300

duration of sleep

2

400

seals

True

400

memory foam bedding

Nasa

400

Stages of sleep

5

400

sleeping in

Less

400

nightmares

REM

500

whales and dolphins

True

500

first bed

a pile of straw

500

sleep-wake cycle

what is a circadian rhythm

500

exercise

Makes it difficult

500

muscles

They are paralyzed

M
e
n
u