Eight Sleep raises $50M at $1.5B valuation led by Tether Investments for AI-driven sleep health expansion
Summary
Eight Sleep raised $50M at a $1.5B valuation led by Tether Investments, with Valor Equity Partners and Founders Fund, bringing total funding to over $250M. The round funds expansion of their Pod smart mattress AI into predictive health applications including cardiovascular risk, respiratory deterioration, and illness onset prediction from longitudinal sleep biosignal data.
Why it matters
Tether Investments — the company behind the USDT stablecoin — leading a $50M health tech round is an unusual cross-sector signal. The $1.5B valuation reflects belief that Eight Sleep's nightly biosignal dataset from hundreds of thousands of users is a durable health data asset with applications far beyond sleep optimization.
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