second that. after arch, manjaro, debian and ubuntu i landed there as my daily desktop driver.

for servers, i still stick with debian, but might also go for an immutable rolling release distro next

Just let it sleep. Booting up will require more and you miss out on the instant wake feature to continue where you left off. 7% is a bit excessive, maybe reinstall it fresh from a factory image to be sure.

It works fine on steam deck - apart from the usual issues with controls of a shooter on a handheld