Tether invests in AI sleep tracking firm at a $1.5B valuation Post author:MiamiCrypto Post published:March 5, 2026 Post category:latest news Tether led a $50 million investment round in Eight Sleep, partnering to integrate AI health tech through its QVAC architecture. You Might Also Like Sharplink buys ETH after 8-month pause as token hits 2026 low June 26, 2026 Bitget confirms $351M security breach, suspends withdrawals September 24, 2026 Crypto sentiment index soars to a 3-month high as Bitcoin holds $77K April 23, 2026