I tried the Bose sleepbuds for two weeks while I was away in a noisy environment. They worked really well and I didn't have a problem with them.
Bose have since discontinued the product and offered refunds, so I am guessing some kind of health related issue has caused them to take this action, rather than a fault with the product.
As for sleeping with AirPods, why would you want to do that? Sounds dangerous and bad for your ears as they are not designed for sleep, like the sleepbuds.