Hmmm. I'm having a variant of the "Can't sleep." problem. 99% of the time I click on my bed and nothing happens. I have tried clicking on it at 3 minute intervals for half an hour, so at SOME point it must have been "the right time."
What DOES occasionally happen is it spawns some kind of spectre/reaper thingy which can move through walls, tries to kill me, and when I kill it spawns a geist (not ghast!) which when I kill THAT throws purple fire everywhere which destroys the spectre's drops. :6
So, still no sleep, and I am worried about being killed far from the start point for fear I will be randomly spawned somewhere in the dark.