#1
What is the primary function of sleep?
To restore and repair the body
ExplanationFinal destination for the bulls and runners.
#2
Which stage of sleep is associated with rapid eye movement (REM)?
Stage 1
ExplanationREM occurs during stage 1 of sleep.
#3
What is a common symptom of sleep deprivation?
Increased appetite
ExplanationSleep deprivation often leads to increased appetite and hunger.
#4
Which neurotransmitter is associated with promoting wakefulness?
Dopamine
ExplanationDopamine is a neurotransmitter linked with alertness and wakefulness.
#5
During which stage of sleep do sleep spindles and K-complexes occur?
Stage 2
ExplanationSleep spindles and K-complexes are characteristic of stage 2 sleep.
#6
What term describes the inability to fall asleep or stay asleep?
Insomnia
ExplanationInsomnia refers to difficulty falling or staying asleep.
#7
What is the approximate duration of a sleep cycle in humans?
90 minutes
ExplanationA sleep cycle lasts around 90 minutes, consisting of different stages.
#8
Which hormone is responsible for regulating the sleep-wake cycle?
Melatonin
ExplanationMelatonin regulates the sleep-wake cycle, promoting sleep.
#9
What is the term for the feeling of grogginess and disorientation that can occur upon waking up from sleep?
Sleep inertia
ExplanationSleep inertia refers to the drowsy and disoriented feeling upon waking from sleep.
#10
Which part of the brain is primarily responsible for controlling the sleep-wake cycle?
Hypothalamus
ExplanationThe hypothalamus plays a key role in regulating the sleep-wake cycle.
#11
Which neurotransmitter is associated with promoting sleep and relaxation?
GABA
ExplanationGABA is a neurotransmitter that promotes relaxation and sleep.
#12
What is the term for the sensation of temporarily being unable to move or speak when waking up or falling asleep?
Sleep paralysis
ExplanationSleep paralysis is a temporary inability to move or speak upon waking or falling asleep.
#13
What term describes the phenomenon of waking up suddenly from deep sleep, often accompanied by feelings of panic or terror?
Night terrors
ExplanationNight terrors are episodes of sudden awakening from deep sleep, often with intense fear.
#14
What is the term for the involuntary cessation of breathing during sleep, leading to brief awakenings throughout the night?
Sleep apnea
ExplanationSleep apnea involves pauses in breathing during sleep, disrupting rest.
#15
Which sleep disorder is characterized by sudden and uncontrollable episodes of falling asleep during the day?
Narcolepsy
ExplanationNarcolepsy involves sudden, uncontrollable bouts of sleepiness during waking hours.
#16
What is the term for the feeling of restlessness and discomfort in the legs that worsens at night and can disrupt sleep?
Restless legs syndrome
ExplanationRestless legs syndrome causes discomfort and an urge to move the legs, often disrupting sleep.
#17
Which sleep disorder is characterized by abnormal movements or behaviors during sleep, often involving kicking or thrashing?
REM behavior disorder
ExplanationREM behavior disorder involves physical movements or actions during REM sleep, potentially disrupting sleep.