Yeep!!
I know sometimes people black out when they stand up to quickly but i pass out.. and yesterday i was just sitting there in seat and i knew i was going to pass out so i tried getting to the bathroom but i didnt make it and i noticed that this has happened atleast 20 times in my life my body will feel really tingly like yor foot does when you sit on it to long and then ill lose my vison and before i can lay my self down i pass out i dont know what it is.