The Strongest High Schooler: I Became a God by Sleeping

[Wild Imagination + Funny + Multiple Female Leads, Not a Harem + Satisfying All the Way Through] A man who worked himself to death transmigrates into a high school student and activates the God-Tier System, which lets him trade sleep points for anything. And so he becomes the strongest high schooler. A math competition? Easy. A basketball game? Easy. Online gaming? Easy. Aerospace engineering challenges? Easy. With the Godhood System at his side, he reaches the pinnacle of life. His name is Gu Chuan!