Here's how Oura, Whoop, Garmin, Apple Watch, and Fitbit all calculated last night's "sleep score." ... Fitbit is revamping Sleep Score and improving its sleep-tracking algorithm to be more accurate. Public Preview users will soon be able to connect a continuous glucose monitor through Health Connect.

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Digital Trends: Fitbit improves sleep tracking and adds an AI coach that uses your medical history Fitbit improves sleep tracking and adds an AI coach that uses your medical history Android: Fitbit’s new 2026 Updates Boost Sleep Tracking Accuracy by 15 Percent Fitbit’s 2026 updates boost sleep tracking accuracy by 15 percent for Premium users. Enhanced machine learning and LLM-powered coaching better analyze sleep stages and patterns. The system now links ... Save on Fitbit's premium health smartwatch with advanced stress, heart, and sleep tracking, now at a competitive price of $199.

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MobiHealthNews: Fitbit unveils Charge 3, adds SpO2 tracking in preparation for potential sleep apnea, a-fib features Fitbit unveils Charge 3, adds SpO2 tracking in preparation for potential sleep apnea, a-fib features