Because of Davina will they actually be awake on the live feed for once!

[Ghostinthehouse]

If Davina keeps the costume on and it gets to the live feed surely the other HMs won't just go to bed without finding out who it is in the costume? Maybe they will actually stay up on the live feed for once.

[Tom]

The eviction was filmed over an hour before broadcast so she might be rumbled by then.