Understand your
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Up to 90 days of measuring
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Products to analyze, research and monitor sleep disorders


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A photo showing an actigraph chart on a computer display.

Time Above Threshold (TAT): A Crucial Metric in Sleep Analysis

Time Above Threshold (TAT) refers to the duration spent above a predefined activity threshold during the sleep period. In the context of sleep analysis, this metric focuses on periods of wakefulness during the night. By quantifying the time spent awake after initially falling asleep, TAT provides valuable insights into sleep continuity and disturbances.

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