I’d bet it’s missing sunlight, those things thrive in direct sun.
Second guess is that it’s overwatered… does that pot drain well the water? it should definitely not be sitting in water and I would not water it very often.
It can be a mix of both things
Sleeping with some light (the blinds not shut completely) was a cause for me, along with stress. No light, not able to see anything waking up, no eldritch horrors in the room and I probably fall asleep again.