Theories of Sleep OxAQA IAL Psychology

What are the main functions of sleep in psychology?

• Muscle growth

• Digestion

• Socialization

• Energy conservation

What does the Evolutionary Theory of Sleep suggest?

• Species have adapted their sleep to avoid danger

• Sleep is not necessary for survival

• Sleep is harmful for the brain

• Sleep is a waste of time

What characterizes REM sleep?

• Decrease in brain activity

• Slow eye movements

• Decrease in blood pressure

• Increase in brain activity and rapid eye movements

What is the function of REM sleep?

• To increase blood pressure

• To decrease brain activity

• To decrease eye movements

• To store information and clear out unwanted memories

What is the most important function of sleep according to scientists?

• To decrease cognitive abilities

• To have vivid dreams

• To restore cells and prevent illnesses

• To increase stress levels

What does Oswald's Restoration Theory propose?

• Sleep is harmful for the immune system

• Sleep is crucial for the repair of cellular components

• Sleep is only for mental restoration

• Sleep is not necessary for the body

How does a lack of sleep affect brain function?

• Slows down cognitive function and prevents information retention

• Enhances memory retention

• Improves cognitive function

• Increases logical reasoning

What is the role of the amygdala in relation to sleep?

• Increases blood pressure

• Enhances memory storage

• Controls physical movements

• Regulates emotions and mood

What is the main function of NREM sleep according to Oswald's theory?

• To restore brain functions

• To restore bodily functions such as physical activity

• To increase stress levels

• To decrease immune response

What is the significance of REM sleep for cognitive tasks?

• It has no impact on cognitive tasks

• It impairs memory and learning

• It is important for learning and problem-solving

• It decreases brain activity