This happened to me consistently for about 9 years.
The instances were terrifying if I was stressed out. I’d see people in my room screaming at me, people just floating silently watching me sleep, spiders on the wall and ceiling, snakes falling on me, to name a few. One day I looked at my camera roll and found a picture of the empty corner of my room from 2AM, it freaked me out, but then I remembered I was tring to capture a shot of the spider webs full of snakes I thought I saw. Sometimes I’d be across the room from my bed in a full panic, turning on the light switch. It was wild.
If I was not stressed, it would be innocuous things, like a chair that wasn’t supposed to be in the room, or pipes in my ceiling. One time there were gnomes showing me the tiny, glittery door to their world! Weird shit, but not scary.
Then I started antidepressants and they all stopped. Turns out night terrors, or waking terrors as I called them, can be a sign of depression. Who knew? I just thought my brain was a bitch, but she just needed happy pills.