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WHOOP.
WHOOP is Kata's deepest connection. Link it once and every morning arrives already understood: recovery, sleep and strain, folded straight into your day.
What syncs
Once connected, each morning brings your sleep duration and stages, recovery percentage, HRV, resting heart rate and blood oxygen, plus your sleep debt and need, and strain from your activities. Kata uses recovery to shape what it asks of you and weighs strain against it when planning your week.
How the connection works
You authorize WHOOP from inside Kata, and the connection is bound to your Kata account. The tokens stay on your device: the iPhone app keeps them sealed on the device, and a web browser holds them in an httpOnly cookie that page scripts cannot read. Your WHOOP data passes through Kata's proxy on its way to your device and is not stored there. Disconnect any time in the app and the access ends.
It respects your logs
Like every connection, WHOOP data follows the user-data-wins rule: it is tagged as imported, and anything you logged yourself is never overwritten. See Connections.
Everything WHOOP automates can be logged in a sentence. Manual sleep and training count fully toward your score, trends and coaching. See Sleep.