Test Sleep cycles

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QUESTION 1: HOW MANY PHASES OF SLEEP ARE THERE?

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QUESTION 2: WHAT DO THE ACRONYMS (MOR) STAND FOR?

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QUESTION 3: ACCORDING TO THE STUDIES ON THE SUBJECT, IN WHAT PERIOD OF TIME IS A SLEEP RESTART EVIDENT?

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QUESTION 4: IN WHICH PHASE OF SLEEP IS THERE MORE FLICKERING?

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QUESTION 5: IN WHAT PHASE OF SLEEP DO WE PERFORM THE ACTIVITY KNOWN AS "DREAMING"?

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QUESTION 6: TO WHICH STAGE OF SLEEP IN THE ABSENCE OF RAPID EYE MOVEMENT ARE THE MOST RESTORATIVE PROPERTIES ATTRIBUTED?

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QUESTION 7: AT WHAT STAGE OF SLEEP IS THE STATE OF "DEEP SLEEP" REACHED?

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QUESTION 8: SLEEP WITH THE PRESENCE OF RAPID EYE MOVEMENT IS CHARACTERISTIC IN PEOPLE OF:

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INCORRECT QUESTIONS

Is there any error or improvement?

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