# Sleep & Energy Correlator

Correlate sleep and wearable signals with productivity and mood data to surface practical patterns for better daily performance.

## Problem
Raw wearable dashboards show lots of metrics but little guidance on which habits actually improve energy.

## Core capabilities
- Aggregate sleep, HRV, resting heart rate, and activity data.
- Combine with focus sessions, task completion, and mood logs.
- Identify correlations and recurring performance windows.
- Recommend personalized adjustments for bedtime, workouts, and workload timing.

## MVP scope
- One wearable integration and one productivity signal source.
- Weekly pattern report with confidence levels.
- Simple experiments tracker for habit changes.

## Success criteria
- Better consistency in energy and focus ratings.
- Data-backed decisions on routine adjustments.

## Stretch ideas
- Fatigue risk warning before heavy calendar days.
- Circadian-aware calendar suggestions.