'Time' is not cruel and unusual. Solitary is. This article explores the effects in greater detail in a reader-friendly manner.
This is a less reader-friendly (but more footnoted and scholarly) scientific treatise on same.
Sorry I’m not buying this whiny BS. If it’s so over the top then where are the lawsuits to make it stop. I mean really, this is a criminal justice system that’s lost suits declaring serving food the prisoners don’t like as cruel and unusual, yet this solitary has never been challenged. It’s just more BS from prisoners thinking all punishment is cruel and unusual, screw them. Solitary for everybody, worked well once.