User blog comment:Hidden Scorpius XI/My impressions on "Vake" (WoR, V4-E1)/@comment-25936766-20161019020817/@comment-26397825-20161019021144

Sanus is the Latin root word for Sanas, according to what Chish found, meaning healthy alongside quite a few other meanings along the lines of sound of mind. So it could go either way, I think.