Fitbit improves sleep tracking and adds an AI coach that uses your medical history

Fitbit is pushing its app closer to a full health companion. Starting next month, you’ll be able to connect your medical records, giving its AI coach access to lab results, prescriptions, and past visits. The same update also improves sleep tracking, with a reported 15 percent boost in detecting sleep stages.

The changes, announced at Google’s Check Up event, show how Fitbit is moving beyond basic activity tracking. By combining clinical records with wearable data, its Gemini-powered assistant aims to deliver guidance that reflects your actual health data. Instead of generic suggestions, you can ask about cholesterol and get answers tied to your real numbers.

What happens when you sleep

Before clinical data integration arrives, users are getting a meaningful upgrade to sleep tracking. Fitbit is rolling out a refined sleep staging model that better separates time spent trying to fall asleep from time actually asleep. Clinical validation shows a

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