It is really hot here so I am switching to doing more morning rides. I'm not a real morning person though and I notice it in my performance. Here for example is my power curve on the ride I did this morning, plotted against my 6-week average (which is probably 80% not-in-morning). As you can see I had a lot less on the burst side, and 10-15 watts less on average. I felt good other than being a bit lower on energy, and was plenty cool since it was not that hot and I was wetting myself with a bottle of ice water.
Part of it I expect is just experience, as I do more AM rides I will adapt. But, I'm curious what morning regulars do to get enough energy. Currently I am eating my usual small breakfast of one piece of PB toast, and also quaffing one gel before I prep for the ride (I added the latter after I noticed my lower energy levels). I don't do anything special the night before. Since I am going to be riding 15 minutes after breakfast I don't really want to eat too much, but maybe I should eat more? Or, eat more the night before??