They had been awake the whole night and worried about the state of their home. They had thought ad thought of everything that could make sense. They had tried to figure out ways to make their home safe.
The Alexei dome was down, but the potent magic was still able to hold the shadow demons a bay. They needed to sleep but who could sleep with the horrors coming their way? They needed to rest and maybe they would when all of this was over.
Hera was slowly getting tired, unknown to her, she was still linking her energy chain t the wolves of Alexei, which could explain why they were still awake and partying like they weren't tired.
She needed to get to cut off the energy line and before she could get drained even further, Mikhail felt her start to fade away and he closed off the links, all of them at a go.