About ten years ago, I woke and was unable to move. I knew immediately I was caught in an episode of sleep paralysis. There was no sense of what time it was, the way there is usually when you wake unexpectedly. The room should’ve been dark, but it wasn’t; it was dim, but had a sepia tint. I felt something to my right – a concentration of unrivalled malevolence that I knew was watching me. Every panic attack I’d ever had, the fear of recovery after the car had hit me, the dread of awaiting test results when they’d initially thought my digestive issues were going to be much more…