Quality over quantity: 'Elite sleepers' can fight off Alzheimer's on only 4-6 hours of rest - Study Finds

These individuals also display stronger "psychological resilience" than others.

SAN FRANCISCO, Calif. — It’s an age-old belief when it comes to sleep and health: Any less than seven to eight hours of sleep each night is a recipe for next day lethargy, irritability, and forgetful… [+5193 chars]

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