I have just the opposite reaction...I get much more productive late at night. Possibly because of lack of distractions. I worked midnight-8am for 10 years rig

I have just the opposite reaction...I get much more productive late at night. Possibly because of lack of distractions. I worked midnight-8am for 10 years right out of high school, and now, if I'm not asleep by midnight my body just 'revs up'.