What is the primary function of REM sleep?
Dreaming
Muscle repair
Digesting food
Detoxifying
What hormone regulates sleep-wake cycles?
Insulin
Cortisol
Melatonin
Serotonin
What percentage of our lives is spent sleeping?
25%
33%
50%
75%
Which sleep phase comes directly after REM sleep?
Stage 1
Stage 2
Stage 3
Awake
Which stage of sleep is the deepest?
REM
Light sleep
Stage 2
Stage 3
Which sleep disorder involves difficulty falling asleep?
Sleep apnea
Narcolepsy
Insomnia
Restless legs
How does caffeine affect sleep?
Promotes sleep
Delays sleep onset
Enhances deep sleep
Shortens REM sleep
What is the ideal nap length?
10 minutes
20 minutes
45 minutes
60 minutes
What is a common cause of sleep apnea?
Obesity
High blood pressure
Anxiety
Low sugar levels
What term describes the body’s internal clock?
Circadian rhythm
Homeostasis
REM cycle
Sleep spindle
What is the average duration of REM sleep per night?
10 minutes
90 minutes
3 hours
5 hours
How often does the sleep cycle repeat?
30 minutes
60 minutes
90 minutes
120 minutes
What term describes sleepwalking?
Narcolepsy
Sleep apnea
Somnambulism
REM behavior disorder
What is the most common sleep disorder?
Sleep apnea
Narcolepsy
Insomnia
Restless legs
Which device measures sleep patterns?
Thermometer
Actigraph
Stethoscope
Pedometer
What is the purpose of sleep spindles?
Muscle relaxation
Memory consolidation
Dream formation
Appetite regulation
How many hours of sleep do adults need?
5-6 hours
7-9 hours
10-12 hours
6-8 hours
Which neurotransmitter promotes wakefulness?
Serotonin
Dopamine
Orexin
Melatonin
What lifestyle factor can disrupt sleep patterns?
Regular exercise
Balanced diet
Excessive screen time
Reading books
Which type of sleep is most restorative?
REM sleep
Stage 1
Stage 2
Stage 3
Sleepless Wanderer
Your sleep knowledge could use some waking up!
Sleep Savvy
You know a fair amount about sleep, keep dreaming big!
Sleep Guru
You’re a true expert on sleep, even the Sandman would be impressed!