Duration is the default — the goal is sleeping longer. Naps (<3h) are rounded; nights with a therapy/equipment change are outlined. O₂ colouring is neutral where the ring was not worn.
Sleep duration
“Am I sleeping longer?” · nightly hours with 7- and 30-night rolling averages
7-night avg30-night avg6.5h target
Recovery support
device-native recovery-v2 · 0–100, higher = better · not a diagnosis
7-night avg30-night avg
Airway burden (ADB)
within-subject airway proxy · 0–100, higher = worse · no bands · not a diagnosis
ADB 7-night avg
Relationships observational · minimum-N gated
does longer / better-treated sleep track with recovery & airway burden?