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Depression-risk predictor

Enter your recent weekly averages. We’ll estimate your ~4-year risk of developing clinically relevant depressive symptoms (PHQ-9 ≥ 10).

Derived from your wearable (total time in bed per night).

What does “fragmentation” mean?
It’s the average count of ≥1-minute posture-transition breaks per night measured by your wearable. Higher quartile = more fragmented sleep.

Trained on ages 40–75 (The Maastricht Study).

Advanced predictors (optional)

We compute an internal “any vulnerability” flag if either history of depression or antidepressant use is selected.