Which of the Following Statements About Sleep Is TRUE

question 34

Multiple Choice

Which of the following statements about sleep is TRUE?

• A)Most adults need seven to nine hours of sleep every night to stay healthy.
• B)The body is completely still and relaxed during REM sleep.
• C)Drinking alcohol before bedtime improves a person's sleep.
• D)An increase in total sleep time causes an increase in the level of stress hormones.

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Definitions:

Hypothesis

A theory about how key variables relate.

Scientific Method

A systematic and empirical approach to research in which a question is identified, relevant data is gathered, a hypothesis is formulated, and the hypothesis is empirically tested.

Economic Variables

Key factors or indicators that reflect the economic performance or position of an economy, such as GDP, inflation, and unemployment rate.

Theoretical Predictions

Assumptions or forecasts based on existing theories or models about how certain conditions will influence outcomes in specific scenarios.