Sleep Flashcard

Front

The body's natural timing system, tells you when you should awake, and when you should be sleeping in a 24 hour cycle.

Back

Circadian Rhythm

Front

The hormone that your brain produces in response to darkness.

Back

Melatonin

Front

The difference between the number of hours you actually sleep and the number of hours you should sleep.

Back

Sleep Debt

Front

Organisms' natural timing devices

Back

Biological Clocks

Front

A rare neurological sleep disorder that can make a person fall asleep suddenly.

Back

Narcolepsy

Front

A sleep disorder that can affect those who travel quickly across multiple time zones.

Back

Jet Lag

Front

What sleep stage is considered REM?

Back

Stage 4

Front

The higher the sleep stage, the harder it is to wake a person from their sleep.

Back

True

Front

A natural shift in a teenager's circadian rhythm. The need for sleep is generally delayed about two hours.

Back

Sleep Phase Delay

Front

A condition that occurs when a person fails to get enough sleep.

Back

Sleep Deprivation