Tether Invests in Eight Sleep at $1.5B to Accelerate AI-Driven Health Intelligence

TLDR: Tether has made a strategic investment in Eight Sleep at a $1.5 billion valuation in March 2026.  Eight Sleep plans to expand AI health features beyond sleep tracking using Tether’s QVAC platform.  QVAC architecture enables on-device AI processing, giving users full control over their health data.  Tether’s QVAC Health platform unifies wellness data locally [...]

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