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

Fitbit is adding medical record integration, smarter sleep tracking, and glucose insights, aiming to turn its app into a more personalized health companion with AI guidance based on real user data.
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Eight Sleep raises $50M at $1.5B valuation

Eight Sleep said it was free-cash-flow positive in 2025, and plans to use the new funding for new products, global expansions, and clinical validation.

NextSense wants your sleep fixed by EEG sleep earbuds, not apps

NextSense launched Smartbuds, EEG sleep earbuds that claim to read brain activity and deliver timed audio stimulation to support deeper sleep. Pricing, subscription costs, and iPhone-only requirements will shape who can try it first.
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This smart ring targets your daily triggers if you get migraines

Ultrahuman Migraine PowerPlug is a new in-app feature that uses ring biometrics like sleep, HRV, stress, and movement to surface migraine insights, then guide practical routines ahead of an early 2026 rollout.
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