It can do, indirectly, when you’re under prepared. Things like sleep and appetite are affected by the time of day. Your circadian rhythm is personal, however, and needs to fit your lifestyle and approach to training. If you’re a night owl, a morning session might stunt your growth as you underperform in strength training, for example. On the other hand, waiting until later for training sessions can lead to lower mental performance in early birds, who have been expending energy all day.