saner

adjective

1. 1

   Being in a healthy condition; not deranged; thinking rationally.

   “a sane mind”

2. 2

   Mentally sound; possessing a rational mind; having the mental faculties in such condition as to be able to anticipate and judge the effect of one's actions in an ordinary manner.

   “a sane person”

3. 3

   Rational; reasonable; sensible.

   “Try to go to bed at a sane time before your exams.”