My sister, same thing happened to me some years ago, then I was living with my aunt. I put water on the gas for my aunt that night to take her bath and I was so much engrossed in my phone that I lied on the bed. I couldn't wait just a few minutes for the water to boil so I could turn the gas off, I slept off oo. My aunt decided to ease herself around 2 am because she also slept off and thank God she woke up that night. The big kettle filled with water was dried off and smoke were already coming out. I blamed myself that day and was always careful. For a week, my aunt refused to let me near the gas because of that mistake thinking I would be careless again 🤣🤣