Sleep Science Quiz

REM sleep is characterized by rapid eye movements and is the stage where vivid dreams predominantly occur.

Most health experts recommend adults to get 8-9 hours of sleep per night for optimal health and well-being.

The circadian rhythm is the body's internal clock that regulates the sleep-wake cycle, repeating roughly every 24 hours.

Insomnia is characterized by difficulty falling asleep or staying asleep, leading to frequent awakenings during the night and impaired daytime functioning.

Sleep inertia refers to the feeling of grogginess and disorientation that can occur after waking up from a nap, often characterized by impaired cognitive performance.

Melatonin helps regulate the sleep-wake cycle by inducing feelings of sleepiness.

Narcolepsy involves sudden bouts of sleepiness and may include cataplexy, causing muscle weakness or paralysis.

Sleep paralysis is a temporary inability to move or speak while waking up or falling asleep, often accompanied by a feeling of pressure on the chest.

Sleep apnea is a disorder marked by pauses in breathing or shallow breaths during sleep, often resulting in loud snoring and daytime fatigue.

Melatonin is a hormone that helps regulate the sleep-wake cycle by promoting feelings of sleepiness and regulating circadian rhythms.

Dopamine is a neurotransmitter that plays a key role in promoting wakefulness and alertness.

Sleepwalking, or somnambulism, often occurs during NREM sleep, particularly during deep sleep stages.

Myoclonic jerks are brief, involuntary muscle contractions that can occur as a person is falling asleep, often described as sudden jolts or twitches.

Serotonin is a neurotransmitter involved in regulating mood, appetite, and sleep, playing a role in promoting relaxation and sleep.

Hypnagogic hallucinations are vivid and immersive dream-like experiences that occur during the transition from wakefulness to sleep.