#1
Which stage of sleep is associated with vivid dreaming?
REM stage
ExplanationREM (Rapid Eye Movement) stage is linked to vivid dreaming.
#2
What is the recommended duration of sleep for adults, on average, per night?
7-8 hours
ExplanationAdults should aim for 7-8 hours of sleep per night for optimal health.
#3
Which sleep disorder is characterized by uncontrollable and brief episodes of falling asleep during the day?
Narcolepsy
ExplanationNarcolepsy involves uncontrollable episodes of daytime sleepiness.
#4
What is the term for the feeling of grogginess and disorientation that can occur after waking up from a nap?
Sleep inertia
ExplanationSleep inertia is the grogginess and disorientation after waking up from a nap.
#5
What is the role of the pineal gland in sleep regulation?
Production of melatonin
ExplanationThe pineal gland produces melatonin, playing a role in sleep regulation.
#6
What is the term for the inability to fall asleep or stay asleep?
Insomnia
ExplanationInsomnia refers to the difficulty in falling or staying asleep.
#7
Which neurotransmitter is closely associated with the regulation of sleep-wake cycles?
Serotonin
ExplanationSerotonin plays a key role in regulating sleep-wake cycles.
#8
Which hormone is responsible for promoting sleep and is often referred to as the 'sleep hormone'?
Melatonin
ExplanationMelatonin, known as the 'sleep hormone,' promotes sleep.
#9
What is a common symptom of sleep apnea?
Excessive daytime sleepiness
ExplanationExcessive daytime sleepiness is a common symptom of sleep apnea.
#10
What is the circadian rhythm?
The body's internal clock regulating sleep-wake cycles
ExplanationThe circadian rhythm is the body's internal clock regulating sleep-wake cycles.
#11
During which stage of sleep does the body experience the most significant physical restoration and growth?
NREM stage 3
ExplanationNREM (Non-Rapid Eye Movement) stage 3 is crucial for physical restoration and growth.
#12
What is the term for a sudden and brief muscle contraction that occurs during the transition from wakefulness to sleep, often accompanied by a sensation of falling?
Hypnagogic jerk
ExplanationA Hypnagogic jerk is a sudden muscle contraction during the transition to sleep.
#13
Which environmental factor can contribute to better sleep quality?
Cool and dark bedroom
ExplanationA cool and dark bedroom contributes to better sleep quality.
#14
What is the term for the phenomenon where individuals experience temporary paralysis when waking up or falling asleep?
Sleep paralysis
ExplanationSleep paralysis is the temporary inability to move during wakefulness or sleep transitions.
#15
What is a common consequence of chronic sleep deprivation on cognitive function?
Impaired concentration and memory
ExplanationChronic sleep deprivation can lead to impaired concentration and memory.