Is 8 hours of sleep necessary

Healthy sleep depends on obtaining a sufficient amount of rest. It is often widely believed that a person needs 8 hours of sleep per day to achieve complete relaxation, a notion supported by many medical advice sources and apps. However, recent research shows that sleep needs vary among individuals and can range from 7 to 9 hours depending on age and personal requirements, with an emphasis on the quality and timing of sleep. Studies indicate that consistent and good-quality sleep contributes to improved physical and mental health and reduces the risk of sleep disorders and chronic diseases.

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