I've been on a bulk here for the past few months and have kept my macros at first at 40/40/20 and was getting decent results. I then kicked it up to 50/30/20 for carbs and find myself without as much energy and feeling lethargic to the point where I can't get **** done in the gym because I just don't have the energy. I don't know what's up with me. I get 8 and sometimes 8+ hours of sleep a night. I don't think I'm overtraining (although I am going to take time off here to redevelop a plan of attack and try to figure this out and possibly a new diet). I'm taking in 4000 calories, weigh in at 175 with moderate daily activity (walking to classes and sometimes biking for 30 minutes or so). I get my carbs from clean sources as well, for instance yesterday it was oats, whole wheat bread, lots of veggies, banana, and brown rice. I normally have been getting around 350g of carbs a day. Could this be a cause of my lethargy and lack of being able to push heavier weights? I'm just puzzled because I thought carbs were so good, but I just don't think my body may be normal and can handle them as well as everyone else. Any help is appreciated here or any other info you may need to help me out just let me know.