Sleep Deprivation, Sleep Disorders, and Dreams

What percentage of Americans reported getting 6 hours or less sleep a night according to a 2013 Gallup poll?

• 40%

• 30%

• 10%

• 20%

Answer explanation

According to a 2013 Gallup poll, 40% of Americans reported getting 6 hours or less sleep a night. This aligns with the correct choice.

What are some consequences of sleep loss?

• Increased productivity

• Depression

• Sleep apnea

• Decreased mistakes on homework

Answer explanation

Sleep apnea is a consequence of sleep loss. It is a disorder characterized by pauses in breathing during sleep, leading to poor sleep quality and other health issues.

How does sleep loss impact our physical health?

• Causes joint pain

• Increases appetite and eating

• Improves memory consolidation

• Suppresses immune cells

Answer explanation

Sleep loss can cause joint pain and increase appetite and eating, negatively impacting our physical health.

What is the most common sleep disorder?

• Night terrors

• Sleep apnea

• Narcolepsy

• Insomnia

Answer explanation

Insomnia is the most common sleep disorder. It is characterized by difficulty falling asleep or staying asleep. Other sleep disorders include night terrors, sleep apnea, and narcolepsy.

What is narcolepsy?

• Sudden attacks of overwhelming sleepiness

• Intermittently stopping breathing during sleep

• Experiencing high arousal and being terrified while asleep

• Walking or talking incoherently while asleep

Answer explanation

Narcolepsy is characterized by sudden attacks of overwhelming sleepiness.

What is sleep apnea?

• Sudden attacks of overwhelming sleepiness

• Walking or talking incoherently while asleep

• Intermittently stopping breathing during sleep

• Experiencing high arousal and being terrified while asleep

Answer explanation

Sleep apnea is the intermittent cessation of breathing during sleep, making it the correct choice.

What are night terrors?

• Experiencing high arousal and being terrified while asleep

• Intermittently stopping breathing during sleep

• Sudden attacks of overwhelming sleepiness

• Walking or talking incoherently while asleep

Answer explanation

Night terrors are episodes of high arousal and intense fear during sleep.

What are the most common themes in dreams?

• Being attacked, pursued, or rejected

• All of the above

• Repeating failures

• Experiencing misfortune

Answer explanation

The most common themes in dreams include being attacked, pursued, or rejected; repeating failures; and experiencing misfortune. All of the above choices are correct.

What is the Freudian theory of dreams?

• Dreams are the brain's attempt to synthesize random neural activity

• Dreams provide periodic stimulation to the sleeping brain

• Dreams help sort and fix the day's experiences in memory

• Dreams are a way to satisfy unconscious wishes

Answer explanation

Freudian theory states that dreams satisfy unconscious desires.

What is the information-processing theory of dreams?

• Dreams are the brain's attempt to synthesize random neural activity

• Dreams provide periodic stimulation to the sleeping brain

• Dreams help sort and fix the day's experiences in memory

• Dreams are a way to satisfy unconscious wishes

Answer explanation

The information-processing theory of dreams suggests that dreams help sort and fix the day's experiences in memory.