Fresh off its $2.4 million crowdfunding campaigning for sleep tracking, bedside orb, Sense, San Francisco-based startup Hello has announced $10.5 million in backing from a group of angel investors.

Hello, a heavily hyped and funded Silicon Valley company focused on passive sleep monitoring, is shutting down according to multiple media reports and a medium post from founder James Proud. Hello's ...

Sleep, “something that used to be free, easy, and pleasurable has become one of society’s most urgent and expensive problems,” writes Wu, a behavioral sleep medicine specialist, in her compassionate ...