#1
Which of the following is a characteristic of REM sleep?
High arousal and rapid eye movements
ExplanationCharacterized by high arousal and rapid eye movements.
#2
Which theory suggests that sleep helps us to conserve energy and protect ourselves from predators?
Evolutionary theory
ExplanationSleep aids in energy conservation and protection from predators.
#3
What is a characteristic symptom of sleepwalking?
Walking or performing other activities during sleep
ExplanationCharacteristic symptom is walking or performing activities during sleep.
#4
Which stage of sleep is commonly associated with vivid dreams?
REM sleep
ExplanationREM sleep is commonly associated with vivid dreams.
#5
What is the term for the phenomenon where individuals experience difficulty falling or staying asleep?
Insomnia
ExplanationTerm for difficulty falling or staying asleep.
#6
According to the restoration theory of sleep, what is replenished during sleep?
Glycogen stores
ExplanationSleep replenishes glycogen stores.
#7
Which brain structure is primarily involved in regulating the sleep-wake cycle?
Hypothalamus
ExplanationHypothalamus regulates the sleep-wake cycle.
#8
What is the name of the phenomenon where individuals experience microsleeps despite attempting to stay awake?
Sleep inertia
ExplanationPhenomenon of experiencing microsleeps despite trying to stay awake.
#9
Which stage of sleep is characterized by slow brain waves, eye movements ceasing, and muscle tone decreasing?
Stage 3
ExplanationStage 3 is characterized by slow brain waves, cessation of eye movements, and decreased muscle tone.
#10
Which hormone is primarily associated with promoting sleep?
Melatonin
ExplanationMelatonin is primarily associated with promoting sleep.
#11
What neurotransmitter is associated with promoting wakefulness and alertness?
Norepinephrine
ExplanationNorepinephrine promotes wakefulness and alertness.
#12
According to the activation-synthesis theory, what is the function of dreams?
To make sense of random neural activity
ExplanationDreams make sense of random neural activity.
#13
Which neurotransmitter is associated with promoting non-REM sleep?
Serotonin
ExplanationSerotonin is associated with promoting non-REM sleep.
#14
According to the evolutionary theory of sleep, what is one possible reason why humans sleep at night?
To avoid predators
ExplanationOne possible reason for sleeping at night is to avoid predators.