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Q » How do smartwatches track your sleep accurately?
26 Oct, 2025
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A » Smartwatches utilize a combination of motion sensors, heart rate monitors, and algorithms to track sleep stages, such as light, deep, and REM sleep. By analyzing movements and heart rate patterns, these devices estimate sleep quality and duration. Some advanced models also measure oxygen levels and ambient noise, further enhancing accuracy. However, while smartwatches provide useful insights, they may not be as precise as clinical sleep studies.
26 Oct, 2025
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