Those gaps are your entire uni life. Spending time w friends, exploring canteens in other faculty blocks, running off to the nearest mall then rushing back to class, napping in your friend's dorm room, swimming @ the uni pool, jogging ard campus, i could literally go on & on...
I'm sorry but you'll find more wisdom in myths, fairy-tales, a Jane Austen novel, an hour communing with an old tree, than in almost any book in this pile. Self-help isn't going to help you. You need poetry, history, beauty. You need fiction that jolts you awake.