Sleep Physiology and Disorders Quiz

Stage 1 is not characterized by REM; it is typically marked by light sleep and transition to deeper stages.

Excessive daytime sleepiness is a common symptom of sleep apnea due to disrupted sleep during the night.

Narcolepsy is marked by sudden, uncontrollable episodes of sleep during the day, impacting wakefulness.

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

Sleep apnea involves repeated pauses in breathing during sleep, leading to disruptions in oxygen supply.

Sleep spindles and K-complexes are characteristic of Stage 2, representing a transition to deeper sleep.

Cataplexy, sudden muscle weakness, is a key feature of narcolepsy, often triggered by emotions.

Cognitive-behavioral therapy is a non-pharmacological approach often used to treat insomnia by addressing thoughts and behaviors affecting sleep.

Serotonin, a neurotransmitter, plays a role in regulating sleep, mood, and appetite.

Restless leg syndrome is characterized by uncomfortable sensations in the legs, often relieved by movement.

The hypothalamus plays a crucial role in regulating the sleep-wake cycle through the release of various hormones.

REM sleep behavior disorder involves the absence of normal muscle paralysis during REM, leading to physically acting out dreams.

Sleepwalking involves complex behaviors, including dream enactment, during non-REM sleep.

Slow-wave sleep (SWS) is crucial for memory consolidation, playing a key role in learning and cognitive functions.

Cataplexy involves sudden, brief episodes of muscle weakness or paralysis, often triggered by strong emotions, as seen in narcolepsy.