unfortunately no, I have gotten to the 1000 sleeps, but there is no unlock in the demo version. IDK about the windows version
The World Is Doomed Unless I Can Raise My Power Level to 1,000,000 and Confront the Demon Lord » Comments
**Edit: I checked again now, with version 0.19.2, and an activity has been added there in the progress page now.**
Probably not. There is no activity to unlock next to it in the progress page at least. I have unlocked all activites but two in the windows version, and both of those are somewhere completely different.