Talk:Oxygen Independence/@comment-28827765-20170328210108/@comment-2014726-20170419201436

Auctlly according to his page He does not need to eat or sleep (but is still capable of doing so) and doesn't require oxygen to breathe enabling him to travel in space and underwater unprotected and this was cited in Superman: World of New Krypton Vol 1 3 however this could be because of the effect of the Yellow sun