Finding your peak work hours

Have you always been a morning person or a night person or do you find that your cycles change depending on what you are doing? For most of my life, I was a hardcore night owl. I would struggle to fall asleep before 1 am and detested waking before 8 or 9, usually sleeping later if I could. I built my company around those hours, and the jobs I most enjoyed worked around them as well. When things would come up that required a schedule…