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Questions and Answers
What is the purpose of sleep?
What is the purpose of sleep?
The purpose of sleep is to sort and store information in the brain, reduce stress, and maintain a healthy heart, immune system, and memory.
How many sleep stages have scientists identified?
How many sleep stages have scientists identified?
Scientists have identified five sleep stages.
What happens during Stage 1 of sleep?
What happens during Stage 1 of sleep?
During Stage 1 of sleep, the brain tells the muscles to relax and the heart to beat slowly.
Which stage of sleep is the period of deeper sleep?
Which stage of sleep is the period of deeper sleep?
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At which stage of sleep do we sleep most soundly?
At which stage of sleep do we sleep most soundly?
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What happens during Stages 3 and 4 of sleep?
What happens during Stages 3 and 4 of sleep?
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What is the percentage range of a young adult's sleeping time spent in Stage 2 of sleep?
What is the percentage range of a young adult's sleeping time spent in Stage 2 of sleep?
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What is the role of sleep in reducing stress?
What is the role of sleep in reducing stress?
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What is the function of sleep in keeping the heart, the immune system, and the memory healthy?
What is the function of sleep in keeping the heart, the immune system, and the memory healthy?
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How many sleep stages have scientists identified by studying brainwaves?
How many sleep stages have scientists identified by studying brainwaves?
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