#1
Which stage of sleep is most associated with dreaming?
Light Sleep
Deep Sleep
REM Sleep
Transitional Sleep
#2
What is the primary hormone that regulates sleep-wake cycles?
Cortisol
Adrenaline
Melatonin
Insulin
#3
How does blue light exposure before bedtime affect sleep?
It has no effect on sleep
It enhances sleep quality
It reduces REM sleep
It suppresses melatonin production
#4
Which of the following factors is NOT known to directly affect sleep quality?
Caffeine consumption
Use of electronic devices before bed
Ambient noise levels
Hair color
#5
What impact does sleep deprivation have on emotional regulation?
Improves emotional stability
Has no significant impact
Worsens mood and emotional responses
Enhances positive emotional responses
#6
During which sleep stage does sleepwalking most commonly occur?
REM Sleep
Deep Sleep (NREM Stage 3)
Light Sleep
Transitional Sleep
#7
What phenomenon describes the sensation of falling that can jerk you awake?
REM Atonia
Sleep Apnea
Hypnic Jerk
Sleep Paralysis
#8
Which of the following is NOT a common sleep disorder?
Insomnia
Narcolepsy
Sleep Apnea
Hypersomnia
#9
What is the term for vivid, bizarre dreams that occur during REM sleep?
Night Terrors
Lucid Dreams
REM Dreams
Nightmares
#10
What is the function of delta waves in sleep?
To indicate the onset of REM sleep
To signify light sleep stages
To represent deep, restorative sleep
To monitor wakefulness
#11
Which theory suggests dreams are a mental consolidation of learning and memory?
Activation-Synthesis Theory
Psychoanalytic Theory
Information-Processing Theory
Threat Simulation Theory
#12
Which factor does NOT influence dream content?
Stress Levels
Room Temperature
Diet
Physical Exercise
#13
What percentage of their sleep do infants spend in REM sleep?
About 20%
About 50%
About 70%
About 80%
#14
What role does the suprachiasmatic nucleus (SCN) play in sleep?
It generates delta waves during deep sleep
It acts as the body's master circadian clock
It triggers REM sleep
It regulates sleep apnea
#15
What stage of sleep is associated with the body repairing tissues and strengthening the immune system?
Light Sleep
Deep Sleep (NREM Stage 3)
REM Sleep
Transitional Sleep