Jaune basically doesn't need to sleep.

I never stopped unless I needed to and sometimes not even then. With the Soul of the World to restore my HP, MP, and Stamina on top of the odd way my body already worked, I didn't really need sleep, so when I thought I could get away with it without my parents noticing, I worked out through the night. When I thought that would draw attention, I studied or meditated instead, but either way I kept my Aura activated nearly twenty-four hours a day, only turning it off when I ran out of MP and needed to refuel.

Sleep is for the weak or at least non-game characters. I'd thought that eventually it'd start effecting me mental or give me hallucinations or something, but that didn't happen—and though it was weird to never sleep, it got me forty-two extra hours to work with a week instead of wasting on sleep. That was valuable time I could spend training instead and I knew I was making amazing progress. Sure, my rate of advancement was already slowing down as my stats climbed higher, but…even having just had this ability for a little over half a month, I was sure that I could have gotten accepted into Signal if I'd been like this before, even ignoring my skills. And if you included them and how they'd leveled up…