Practical
Sleep Quality Calculator
Score your sleep quality from duration, consistency, and waking patterns
Sleep quality is determined by duration, continuity, and how rested you feel. The National Sleep Foundation recommends 7-9 hours for adults.
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Tip: Avoid checking the time if you wake at night - clock watching activates the stress response and makes returning to sleep harder.
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Fun Fact
NASA astronauts and elite athletes use sleep extensions (9-10 hours) during training to accelerate recovery and performance gains.
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