Don't work 20 hrs; that's 8hrs productive, 6 hrs at 50% and 6hrs probably making a big mess. Followed with 8hrs at 50 % and 12hrs making a big mess. Have the

Don't work 20 hrs; that's 8hrs productive, 6 hrs at 50% and 6hrs probably making a big mess. Followed with 8hrs at 50 % and 12hrs making a big mess. Have the courage to stop, sleep, eat and then come back with a fresh mind.