I have a 3 year old and an almost 2 year old...the 2 year old still doesn't sleep through the night and they are both very high energy. I am lucky if I have energy at ANY time during the day! LOL Prior to having children I was a bit of a night owl and would find that I had great energy after work!
I do not have enormous energy levels at all as I suffer with a rare illness which completely depletes my get-up-and-go!! I think it is being in constant pain which really makes me feel so tired,but I force myself to spend an hour in the morning and evening as well,doing whatever gardening I am able to do. It is so very important to be as active as I possibly can.
I have to i work afternoon shift. I find that energy levels tie in with your patterns if i was to change shifts now my max energy levels would stay the same for a while and i would be bouncing of the walls by 6pm.