#1
Which stage of sleep is characterized by rapid eye movement (REM)?
Stage 1
ExplanationInitial stage of sleep, not REM
#2
What is the average duration of a full sleep cycle?
90 minutes
ExplanationConsists of stages 1, 2, 3, and REM
#3
Which age group typically requires the most sleep?
Children (ages 6-12)
ExplanationGrowing bodies and brains need more rest
#4
What sleep disorder is characterized by an inability to fall asleep or stay asleep?
Insomnia
ExplanationDifficulty initiating or maintaining sleep
#5
Which of the following factors can disrupt sleep?
Caffeine consumption
ExplanationStimulates nervous system, delays sleep onset
#6
What hormone helps regulate the sleep-wake cycle?
Melatonin
ExplanationRegulates sleep-wake cycle, secreted by pineal gland
#7
What term describes a disorder characterized by sudden and uncontrollable episodes of sleep?
Narcolepsy
ExplanationInvolves sudden sleep attacks
#8
Which neurotransmitter is associated with promoting wakefulness?
Histamine
ExplanationPromotes alertness and wakefulness
#9
What is a common symptom of sleep deprivation?
Increased appetite
ExplanationLeads to higher food intake
#10
What term describes the phenomenon of feeling paralyzed upon waking or falling asleep?
Sleep paralysis
ExplanationTemporary inability to move or speak
#11
What is a common recommendation for improving sleep quality?
Establish a relaxing bedtime routine
ExplanationHelps prepare body for sleep
#12
Which of the following is NOT a stage of sleep in the sleep cycle?
Delta sleep
ExplanationTerm not used to describe sleep stages