No, the Apple Watch is basically best of breed in terms of sleep and heart rate accuracy.

The Whoop is like 90% accurate compared to it: https://www.youtube.com/watch?v=9SzUDTBK-i0

It's just trade-offs: if you're using the Whoop, you don't want a screen and you like two weeks battery life.

There’s a study that pitted different devices against each other. The whoop was more accurate. At least a few years ago it was

Is it? Across what metric?

And most likely still junk

Honestly, I find it doesn't matter either way. Accuracy is less important than precision.

Wearables are a tool for motivation. All I need is for it to hold me accountable and get me to exercise a little more than the day before. Whether I actually burned 900 or 950 calories is inconsequential.

(Of course, when it comes to the FDA-regulated health features that's a different story. Those absolutely do need to be accurate.)

Not really. Also if I’m going to wear something on my wrist all day I want it to do more than just record some stats.

i wear both.