Lower training load today
Your HRV is 11% above baseline but sleep efficiency dropped two nights in a row. A Zone 2 day will keep you trending up.
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Sanna turns your Apple Health data into a single daily readiness score - and explains it. All processing happens on-device. No cloud, no account, no tracking. Just signal.
On-device
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Neural Engine
Model v3.2
Sources
14 HK streams
Trend is climbing - keep weekly mileage stable.
Average
72
Resting HR
baseline 54▼
HRV (rMSSD)
baseline 61▲
Resp. rate
baseline 14▲
SpO₂
baseline 97▼
Skin temp.
baseline 35.9▼
VO₂ max
baseline 47▲
Your HRV is 11% above baseline but sleep efficiency dropped two nights in a row. A Zone 2 day will keep you trending up.
Two short peaks during meetings, fully cleared by your evening walk. Pattern matches the last 6 Wednesdays.
On nights with >40 min of late blue light, you take 14 min longer to fall asleep on average.
Sanna · model v3.2 · processed locally