How Often Does Rapid Eye Movement (REM) Sleep Occur in Cycles

question 69

Multiple Choice

How often does rapid eye movement (REM) sleep occur in cycles?

• A)About every 45 minutes
• B)About every 90 minutes
• C)About every 120 minutes
• D)About every 150 minutes

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Definitions:

Aerobic Exercise

Physical exercise of low to high intensity that depends primarily on the aerobic energy-generating process, such as running or cycling.

Strength Training

A type of physical exercise specializing in the use of resistance to induce muscular contraction, which builds strength, anaerobic endurance, and muscle size.

MyPlate

A visual guide created by the U.S. Department of Agriculture to help Americans understand and follow healthy eating habits, showing the five food groups as sections on a plate.

2,000-Calorie

A reference dietary intake level often used in nutrition labeling, suggesting the estimated amount of calories a person should consume daily for maintaining weight.