My scariest hotel experience was when a friend (who would never be in charge of our accommodations ever) chose the cheapest one she could find in Agoda for our Hong Kong escapade and the room ended up looking like a former jail cell. The sole “window” was a really tiny square that you couldn’t even reach and was sealed with actual bars. Three whole nights of feeling like a preso. Just wonderful.
At least it was much better than the other HK hotel horror story where a friend slept on a tiled bed with an actual gripo in place of a headboard. Better a former jail cell than a former morgue, I guess.