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Card 16

Front

Why do elderly people's night time sleep become shorter? What does this lead to?

Back

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Card 17

Front

What meta-analysis study supports the sleep stages?

Back

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Card 18

Front

What did Ohayon et al do?

Back

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Card 19

Front

What did Ohayon et al find?

Back

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Card 20

Front

What can you conclude from this?

Back

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Card 21

Front

Evaluate Ohayon's study.

Back

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