I think Yuki laughs at my lack of sleep.
No, really. Like, she guffaws and everything.
That’s the only reason why, that I can think, for her to constantly keep me awake until 2:00am, then get up at 5:00am for another feeding. When the house gets up generally at 6:00am.
At least I haven’t accidentally fed cat litter to Fae yet for breakfast.

Yuki -- Not sleeping.