What else Some people are energetic on the mornings and some are so in nights and can't stand the morning sunshine. most of science and engineering students are nightcrawlers ,even if they had a morning class they would prefer the warmness of their beds to the joy of learning. they would prefer lower grades rather than the torment of morning classes. some of them tell that mind is more productive in the silence of the night and they could do better with their math problems and learning matters. On t on the other hand the tradition of labor and hard work is accustomed more to the light wind of morning and believes to this old Persian proverb: "be an early riser to become victorious". Among these groups I am an exception. I love the morning glory of the sun and die for the cool breath of the earth before rising the sun and yet my mind is very OK at night. For the years of my studies in university I have tried both ways and had advantages in both sides. I have been an Owl and also a hen. I like rising early and yet I cant stand the tempt of night calling me to stay a little longer and seduction of my warm bed in the morning to stay one minutes more in the bed that often turns into several hours. will be continued....