Why Apple Watch 5’s Rumored Sleep Tracking Might Not Work Very Well

Apple’s rumored to be working on sleep tracking for the Apple Watch Series 5. It makes a lot of sense given the company’s intense focus on the medical and health market.

But tracking sleep from the hand isn’t easy.

I know a little bit about this: I’ve been tracking sleep via the Motiv smart ring for months now. But Mike Kisch, the CEO of FDA-registered sleep wearable Beddr, should know a lot more. And he says the wrist is not a great place to start.

Get the full story in my post at Forbes …