PikaOS maybe too “hobby oriented” to expect “sleep stability”, but I understand most/all bugs to be debian or kde upstream ones. Is gnome still much better at stability? Is there a distribution that fixed sleep problems for you? open vs closed nvidia drivers?
Are there motherboard manufacturers that suck less at linux?
I’m running CachyOS with Gnome, Gigabyte motherboard, AMD processor, closed Nvidia drivers, and sleep works just fine. I haven’t had any issues in that regard.