Tether invested in AI-focused sleep tech firm Eight Sleep at a $1.5 billion valuation. The move showcases Tether’s expansion into health, AI, and biotechnology industries. Continue Reading: Tether Backs Eight Sleep with $1.5 Billion Bet on AI-Powered Sleep Tech The post Tether Backs Eight Sleep with $1.5 Billion Bet on AI-Powered Sleep Tech appeared first on COINTURK NEWS .