Let me start by saying these sheets are *ridiculously* comfortable. The 95% organic cotton feels like sleeping on a cloud, and the silver fibers give it this subtle cool-to-the-touch sensation that's perfect for hot sleepers like me.
Now, about the grounding claims - I'll be real with you. The first few nights? Didn't notice anything magical. But around day 5, I woke up feeling... different. Not 'cured-all-my-problems' different, but my usual morning stiffness was noticeably reduced. Could be placebo? Maybe. But my fitness tracker shows I'm getting more deep sleep since using them.
The mat is where this set shines for me. Working from home with it under my keyboard has been a game-changer - no more afternoon arm tension from typing all day. Pro tip: go barefoot on it during Zoom calls for maximum effect (just mute your mic first!).
Would I buy again? For the comfort alone - absolutely yes. For the grounding benefits? Jury's still out, but I'm sleeping better than I have in months, and that's worth every penny to me.