chapter 3 Flashcards
(17 cards)
Small lamp, often attached directly to an electrical outlet, that provides dim light during the night.
Night-light.
Term used to describe a person who gets inadequate amounts of sleep.
Sleep deprived.
Active stage of sleep during which your breathing changes, your heart rate and blood pressure rise, and your eyes dart around rapidly.
REM sleep.
People who can function well on less sleep than other people.
Short-sleepers.
Pattern of sleeping in a 24 hour period.
Sleep-wake cycle.
Trouble falling or staying asleep.
Insomnia.
Fatigue that people feel after changing time zones when they travel.
Jet-lag.
Potentially serious disorder in which a person stops breathing for short periods of time during sleep.
Sleep apnea.
Hormone that increases feelings of relaxation and sleepiness and signals that it is time to go to sleep.
Melatonin.
Routine for going to bed at about the same time each night and getting up at about the same time each morning.
Sleep wake schedule.
Term for sleep disorders that occur when people are partially, but not completely awoken from sleep.
Parasomnia.
Naturally occurring physical, behavioral, and mental changes in the body that typically follow the 24-hour cycle of the sun.
Circadian rythms.
Condition that occurs when people frequently get less sleep than they should.
Sleep deficit.
Disorder that affects the brain’s ability to control the sleep wake cycle.
Narcolepsy.
Condition that results from a delay in the sleep wake cycle that affects a person’s daily activities.
Delayed sleep phase syndrome (DSPS)
Substance that helps the body make chemicals that help you sleep.
Tryptophan.
Substance that produces a temporary increase in activity in the body, making it difficult to sleep.
Caffeine.