health chapter 7

Your body's ____________________ determines when you feel tired and when you feel awake.

biological clock

clenching of the teeth ; a common behavior during sleep

bruxism

Bruxism is a disorder in which people experience sleeplessness due to sensations of crawling, prickling, or tingling in the lower legs and feet.

false

Everyone who snores has sleep apnea, a serious disorder in which one stops breathing for short periods of time during sleep.

false

The term narcolepsy is a synonym for insomnia.

false

a disorder characterized by "sleep attacks" in which a person suddenly falls asleep at various times during the day

narcolepsy

During sleep, the brain creates important connections between _____________________ that can improve memory and learning.

neurons

the cells that make up nerve tissue

neurons

classification of sleep disorders that occur when people are partially, but not completely, aroused from sleep inability to fall asleep or stay asleep

parasomnia

__________________________ have a genetic mutation that regulates their sleep-wake cycles; they can function on less sleep than other people.

short sleepers

_________________ is a shortage of sleep that leads to tiredness and may lead to other health problems.

sleep deficit

The ____________________ is a group of nerve cells in a part of the brain that controls many physiological responses in the body, including the sleep-wake cycle, body temperature, hormone levels, and brain wave activity.

suprachiasmatic nucleus (SCN)

a cluster of nerve cells in the hypothalamus that controls sleep, body temperature, hormone levels, and brain activity

suprachiasmatic nucleus (SCN)

Chronic insomnia is usually a symptom or side effect of another problem, such as a medical condition, sleep disorder, or substance use.

true

In each successive sleep cycle, REM sleep periods get longer while deep sleep periods get shorter.

true

Parasomnia is a classification of sleep disorders that occur when people are partially, but not completely, aroused from sleep.

true

an amino acid that aids the body in manufacturing chemicals that cause sleep

tryptophan

Which of the following is not an example of parasomnia?

apnea

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

circadian rhythm

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

circadian rhythm

a type of therapy in which a machine is used to open the air ways during sleep

continuous positive air way pressure (CPAP) therapy

a hormone released by the pineal gland that increases feelings of relaxation and drowsiness

melatonin

The ______________________ system regulates hormone levels in the body.

endocrine

Bruxism involves which of the following behaviors during sleep?

grinding of the teeth

The part of the brain that regulates appetite and the consumption of energy is called the _____________________.

hypothalamus

the part of the brain that regulates appetite and energy consumption

hypothalamus

________________ is a condition in which the body is unable to fall asleep or stay asleep.

insomnia

___________________ is a hormone released by the pineal gland that increases feelings of relaxation and tiredness.

melatonin