Sleep Science & Tips

    The Sleep Calculator Blog

    Expert insights on sleep cycles, circadian rhythms, and evidence-based strategies to optimize your rest and wake up feeling refreshed.

    Sleep Science
    11 min read

    Is 6 Hours of Sleep Enough? What the Science Says

    Six hours can feel survivable, but for most adults it is not enough for long-term health, mood, metabolism, and cognitive performance. Learn when 6 hours is acceptable, when it is risky, and how to tell what your body actually needs.

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