Sleep Stages and Dream Theories

Which theory suggests that dreams are a result of the brain's need to consolidate and create long-term memories?

• Dream to Solve Problems Theory

• Dream to Rehearse Theory

• Continual Activation Theory

• Wish Fulfillment Theory

What is the purpose of dreams according to the Dream to Rehearse Theory?

• To improve problem-solving skills

• To consolidate long-term memories

• To heal psychological illnesses

• To practice fight or flight instincts

Which stage of sleep is characterized by the appearance of sleep spindles and K-complexes on EEG recordings?

• Non-REM Stage 1

• Non-REM Stage 2

• REM Sleep

• Non-REM Stage 3

During which stage of sleep is it difficult to be awakened?

• Non-REM Stage 2

• Non-REM Stage 3

• Non-REM Stage 1

• REM Sleep

What is released during deep sleep that contributes to physical restoration and growth?

• Growth hormone

• Adrenaline

• Serotonin

• Dopamine

Which stage of sleep is characterized by rapid eye movements, increased brain activity, and vivid dreams?

• Non-REM Stage 3

• REM Sleep

• Non-REM Stage 2

• Non-REM Stage 1

What is the purpose of REM sleep according to the text?

• To heal psychological illnesses

• To regulate emotions and consolidate memory

• To improve problem-solving skills

• To consolidate long-term memories

How long does a complete sleep cycle typically last?

• 110 to 130 minutes

• 90 to 110 minutes

• 60 to 90 minutes

• 30 to 60 minutes

When does more deep sleep occur during a typical night's sleep?

• In the earlier part of the night

• It varies from person to person

• In the later part of the night

• It is evenly distributed throughout the night

What is the purpose of dreaming about limitless scenarios?

• To heal psychological illnesses

• To consolidate long-term memories

• To grasp problems and formulate solutions

• To improve problem-solving skills