[ Hythlodaeus being Hythlodaeus, he does know when Hades awakens, but as he doesn't stir, the fingers keep playing through the hair. ]

Mm... work things, for the most part. Sometimes concepts come in that I need to read up on the history of to be able to make decisions. There is always more knowledge to seek out.

[ He might not be taking notes, but that's because his memory rarely needs external aids, soaking things in without hesitation. ]