Eight Sleep, a New York-based startup focused on sleep technology, announced securing $50 million in funding at a $1.5 billion valuation. Led by Tether Investments, this strategic investment marks the company’s second raise in a year, bringing total funding to over $250 million. Founded in 2014, Eight Sleep initially gained attention with its smart mattress, the Pod, which uses sensors and AI to optimize users’ sleep by tracking and analyzing physiological data. The new capital will support the company’s growth from sleep optimization into broader predictive, AI-driven health services. In 2025, Eight Sleep became cash flow positive and introduced three new products: Pod 5, Pod Pillow Cover, and Thermal Blanket. CEO Matteo Franceschetti highlighted the company’s ambition to leverage its advanced AI health sensing technology beyond sleep, aiming to become a leading health technology company of this generation. The funding reflects broader investor interest in sleep and health tech, with companies like Oura also attracting substantial investment.
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