Questions and Answers
REM sleep is characterized by which of the following?
What statement best characterizes REM sleep?
It occurs primarily later in the night and accounts for about 20-25% of our total sleep time.
Slow-wave sleep is characterized by which of the following?
In what order do brain waves appear when going from an active awake state to deep sleep?
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When do delta waves appear?
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When do alpha waves appear?
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When do beta waves appear?
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Which of the following can cause insomnia?
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If an individual is having trouble falling or staying asleep, what treatment(s) should be attempted first?
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What are some things you could do if you are having problems sleeping?
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What sleep disorder is characterized by pauses in breathing that last at least 10 seconds during sleep?
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What disorder is characterized by a persistent difficulty falling or staying asleep?
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What disorder is characterized by an individual leaving his or her bed while still asleep?
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What disorder is characterized by extreme daytime sleepiness with frequent episodes of nodding off?
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How much sleep does a newborn (0-2 months) need each night?
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How much sleep does a teenager need each night?
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How much sleep does an adult need each night?
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What are some of the symptoms of severe sleep deprivation?
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What did Sigmund Freud believe about dreams?
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Modern theories propose that dreams serve what purpose?
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Study Notes
REM Sleep
- Characterized by quick, fast eye movements and dreaming.
- Occurs multiple times per night, primarily later in the night.
- Accounts for approximately 20-25% of total sleep time.
Sleep Wave Patterns
- Transitions through Beta (awake), Alpha (relaxed), Theta (light sleep), and Delta (deep sleep) waves.
- Delta waves appear during the deepest level of sleep.
- Alpha waves emerge when an individual is relaxed and just starting to fall asleep.
- Beta waves are present when a person is awake and engaged in tasks.
Insomnia Causes
- Factors include staying out late, jet lag, waking up early due to daylight savings, and financial worries.
- All of the above can lead to insomnia.
Treatment for Sleep Issues
- Environmental and scheduling changes should be the first attempts to resolve sleep issues.
- Suggested actions for better sleep include exercising early in the morning and reducing caffeine intake.
Sleep Disorders
- Sleep apnea involves pauses in breathing that last at least 10 seconds during sleep.
- Insomnia is marked by persistent difficulty in falling or staying asleep.
- Somnambulism (sleepwalking) occurs when an individual leaves their bed while still asleep.
- Narcolepsy is characterized by extreme daytime sleepiness with episodes of nodding off.
Sleep Requirements
- Newborns (0-2 months) need 12-18 hours of sleep per night.
- Teenagers require 8.5-9.5 hours of sleep per night.
- Adults generally need 7-9 hours of sleep per night.
Symptoms of Severe Sleep Deprivation
- Symptoms can include hallucinations, paranoia, irritability, and memory lapses.
- All the above symptoms indicate severe sleep deprivation.
Theories on Dreams
- Sigmund Freud believed dreams represent unconscious desires, fears, and conflicts.
- Modern theories suggest that dreams may serve various psychological purposes, though specific conclusions are unclear.
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Description
Test your knowledge on REM sleep and its characteristics with these flashcards. Explore key concepts like the sleep cycle, time spent in REM, and differences between REM and slow-wave sleep. Perfect for psychology students looking to refresh their memory.
