Because you dont eat powerfull food, first of all avoid eating with spoon because when you eat with spoon there is no advantage but when you eat with your hands so there is a kind'a of thing wich comes out of our nails which helps out body to remove bacteria and other stuff and makes a perfect food' and eat powerful things like rice with beans and other heavy stuffs
Those are signs of a disrupted sleep cycle, which could lead to metabolic syndrome. The human circadian rhythms have a natural flow. In a healthy individual, at night the seratonin levels increase and cortisol drops, suppressing hunger, and causing you to become sleepy. When the natural sleep cycle is disrupted, it throws that all out of whack, and your body will release those chemicals at the wrong times of the day.
Because you keep yourself engaged in other works in the day time, when you just relax and don't get sleep fast at night, your mind and body needs sugar and carbohydrates as replenisher so you feel hungry.