SLEEP

1

100

_____ function better on less sleep than other people.

Short sleepers

200

_____ are naturally occurring physical, behavioral, and mental changes in the body that typically follow the 24-hour cycle of the sun.

Circadian rhythm 

300

What stage?

This is an active stage of sleep during which your breathing changes, becoming irregular, shallow, and more rapid. Your heart rate and blood pressure rise. Your eyes dart about rapidly under your eyelids, and your muscles are temporarily paralyzed.

REM

2

100

TRUE OR FALSE? Neurons aren’t released in teenagers’ brains until later in the evening, making it difficult to fall asleep earlier and wake up earlier.

TRUE 

200

Insufficient sleep influences the function of the _____, the part of the brain that regulates appetite and the expenditure of energy.

Hypothalamus

300

What stage?

In this stage, your body temperature starts to drop, and your heart rate slows down. You may have bursts of great brain activity, called sleep spindles

Stage 2 

3

100

What is the fatigue that people experience after changing time zones during travel?

Jet lag 

200

_____ is the inability to fall asleep or stay asleep.

Insomnia 

300

What stage?

This is a stage of deep sleep during which you are difficult to awaken. The movement of your eyes and your muscle fi activity stop completely.

Stage 4 

4

100

During which stage of sleep are regions of the brain used in learning stimulated?

REM

200

True or false? Jet lag is the result of the natural circadian rhythm being disrupted.

TRUE 

300

What stage? 

This is a stage of light sleep, during which you may experience vivid sensations, or hallucinations. Many people experience a sensation of falling, which may jolt their bodies awake. During this stage, you drift in and out of sleep, and can be awakened easily

Stage 1 

5

100

What is a hormone released by the pineal gland that increases feelings of relaxation and tiredness?

Melotonin

200

What is a shortage of sleep that leads to tiredness and to other health problems?

Sleep deficit 

300

What stage?

This is a transitional stage between light sleep and deep sleep. Your brain waves become even slower.

Stage 3