All Flashcards
What are the stages of the sleep cycle?
NREM-1, NREM-2, NREM-3, NREM-2, NREM-1, REM, then repeat.
What are the effects of sleep deprivation?
Impaired concentration, drowsiness, weakened immune system, and increased risk of accidents.
What are the causes of insomnia?
Stress, anxiety, poor sleep habits, and underlying medical conditions.
What are the effects of REM rebound?
Increased time spent in REM sleep, leading to more vivid dreams.
What causes night terrors?
Often triggered by fever, stress, or sleep deprivation, occurring during NREM-3.
What are the effects of sleep apnea?
Frequent awakenings, daytime sleepiness, and increased risk of cardiovascular problems.
What causes narcolepsy?
Likely genetic factors combined with environmental triggers, leading to sudden sleep attacks.
How is the circadian rhythm related to jet lag?
Jet lag is caused by the disruption of the circadian rhythm when traveling across time zones.
How can understanding sleep stages help treat sleep disorders?
Identifying the affected sleep stage can help tailor treatments for disorders like insomnia or sleep apnea.
How does sleep deprivation affect cognitive functions?
Sleep deprivation impairs concentration, memory, and problem-solving abilities.
How can knowledge of REM sleep benefit students?
Understanding that memory consolidation occurs during REM sleep can encourage better sleep habits for improved learning.
How is melatonin used to treat sleep problems?
Melatonin supplements can help regulate the sleep-wake cycle and improve sleep quality.
How does the SCN regulate sleep?
The SCN responds to light, signaling the pineal gland to adjust melatonin production and regulate the sleep-wake cycle.
How do sleep studies use EEGs?
EEGs measure brain activity during sleep studies to identify sleep stages and diagnose sleep disorders.