iPhone 12 Pro unexpected restart

Hello,

I was laying on my bed and while playing an app game I heard a weird static sound and then my phone restarted on its own. The bottom part of the screen was missing (where the home swipe thing is located and about half an inch from bottom was just black) and it was frozen for a sec. My phone didn’t feel hot, it’s updated all the way, and has not had any issues since I received it. As weird as this may sound, I wonder if I rubbed my phone against my blanket in a weird way and it caused a shock that went right into the charger port and it screwed my phone up for a bit because the sound was static-sounding. My volume was off and it’s on silent mode so there was no reason for any sound to be playing or coming from the phone. When it restarted, I played music just to make sure the speakers are working and they are.

Just wondering if anyone else is experiencing this. This was a freak anomaly and would like it to be out there in case if anyone else experiences it.