Overall, the experience using this in bed has been a positive for my wife and I and our small dog. The benefit has been a “quieter mind, and way better dream experience and recollection.
Drawbacks are, as a purist hoping to eliminate the 99.9% of cellular and WiFi signals, it doesn’t perform. It does bring bars down to 2, but is clearly allowing WiFi to pass through, and I can take a call while engulfed in it while in bed. That was a disappointment. If you offered a double sheathing, maybe ...