I gathered as much, given how long it takes you to be fully awake.

[He's not poking fun at Dazai, he's stating a truth.]

You work with him, yes? Would it be worth letting him in on what is happening here? Or is it better to keep this a secret from him?

[An ally with sharp senses could be useful, but Bedivere would defer to Dazai. Dazai knew Atsushi best, after all. He would be the one to know if Atsushi could keep a secret.]