i really dont know what is it i feeal very bad when ever i take heavy meal at night containing meat and rice and every thing ,, the problem is that i should stay at night after eating the meal for 4 hours before sleep or i get those very bad symptoms when i sleep whithin the 4 hours of meal ,, when i do that -taking heavey meal ans sleeping within the 4 hours - i get brain goggginess ,mild headache, sevre depression that wakes me up feel very bad , sensitive to light , no concentration , am sur