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Delayed REM sleep could be an early sign of Alzheimer's

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77% Informative

Taking longer to enter the dream phase can disrupt the ability to consolidate memories and interfere with emotion regulation.

Those with Alzheimer's were more likely to have delayed REM sleep, and they also tended to have higher levels of the two toxic proteins, amyloid and tau, found in people with the condition.

People who are concerned about their risk for Alzheimer's should practice healthy sleep habits.