A few people were interested in my comments on sleep and psilocybin. I first began looking at it because it linked in with PTSD/REM-behavior disorder and the hypothalmus, both of which are elements of the rare sleep disorders my son and I experience, and of course for many CH patients their attacks seem to have a relationship with REM sleep, let alone also originating in the same area of the brain.
For your interest, here's a brief commentary from a neurology researcher on cluster and sleep