[NelsonMinar]

Interesting and frustrating story! There's an Android app I've used that does that: https://play.google.com/store/apps/details?id=com.koalative....

[BurningFrog]

How can a phone know which position you're sleeping in?

[ASalazarMX]

Obviously the user untapes the tennis ball on their back, and tapes on their iPhone instead.

[xattt]

I thought you were supposed to use an iPad Pro.

[NelsonMinar]

I wore it on a chest strap. awkward but not impossible

[BurningFrog]

Aha!

Yeah, that would work!