A condition in which a person gets inadequate sleep.
Sleep deprivation
How many hours of sleep should teenagers generally get each night?
8–10 hours
What sleep disorder makes it difficult to fall asleep or stay asleep?
Insomnia
What is the name for scary dreams that can cause fear, anxiety, or sadness?
Nightmares
Should you go to bed at about the same time every night or at different times?
At about the same time every night
A condition in which a person regularly gets less sleep than they should.
Sleep Deficit
Which stage of sleep is known for rapid eye movement and vivid dreaming?
REM sleep
What sleep disorder causes someone to fall asleep very late and wake up later in the morning?
Delayed sleep phase syndrome (DSPS)
What is the term for walking or talking while still asleep?
Sleepwalking
According to Chapter 4, how long should a short nap last?
Less than 30 minutes
Naturally occurring physical, behavioral, and mental changes in the body that follow a 24-hour cycle.
Circadian Rhythms
What stage of sleep is the deepest stage of non-REM sleep?
Stage 3 (N3)
What disorder involves tingling, burning, or uncomfortable sensations in the legs?
Restless leg syndrome (RLS)
What is the medical term for grinding or clenching teeth?
Bruxism
What time of day is recommended for taking a nap?
Early afternoon
A hormone released by the body that helps a person relax and signals that it is time to go to sleep.
Melatonin
What type of light from electronic screens can disrupt the body's natural sleep cycle
Blue light
What disorder causes breathing to stop briefly during sleep?
Sleep apnea
What is the general term for unusual behaviors or experiences occurring during sleep?
Parasomnia
How many minutes of daily physical activity are recommended in Chapter 4?
At least 60 minutes
person's pattern of sleeping in a 24-hour period.
Sleep-Wake Cycle
Name three benefits of regularly getting enough sleep.
Better learning, emotional well-being, fighting infections, healthy growth, increased productivity, or fewer accidents. (Any three)
What disorder causes a person to suddenly fall asleep for short periods, sometimes during activities?
Narcolepsy
Name three examples of parasomnias discussed in Chapter 4.
Bed-wetting, nightmares, sleepwalking, restless leg syndrome, or teeth grinding. (Any three)
Why should a person avoid caffeine close to bedtime?
caffeine is a stimulant that can make it harder to fall asleep and disrupt sleep.