#1
Which stage of sleep is associated with rapid eye movement (REM) and vivid dreaming?
#2
What percentage of sleep do adults typically spend in REM (rapid eye movement) sleep?
#3
What term refers to the biological clock that regulates the timing of sleep and wakefulness in humans?
#4
Which neurotransmitter is associated with promoting wakefulness and alertness?
#5
Which of the following is NOT a common characteristic of REM sleep?
#6
What term refers to the feeling of being unable to move or speak just before falling asleep or upon waking up?
#7
What term describes the phenomenon of suddenly waking up from sleep, often accompanied by feelings of fear or dread?
#8
Which hormone is primarily responsible for regulating the sleep-wake cycle?
#9
What is the term for the brief interruptions in breathing during sleep?
#10
In which stage of sleep do sleep spindles and K-complexes occur?
#11
Which part of the brain is responsible for generating REM sleep?
#12
What term refers to the condition where an individual experiences irresistible attacks of refreshing sleep during the day?
#13
What is the term for the condition where a person experiences paralysis upon waking or falling asleep?
#14
What is the term for the dream-like sensation of falling and jerking awake that sometimes occurs during sleep?
#15
During which stage of sleep are slow brain waves known as delta waves most prominent?
#16
What term refers to the condition of having difficulty falling asleep or staying asleep?
#17