For me, the time between 2am-6am is the absolute peak of concentration: for writing, coding, thinking, anything. The time between 2pm and 6pm is the absolute p

For me, the time between 2am-6am is the absolute peak of concentration: for writing, coding, thinking, anything. The time between 2pm and 6pm is the absolute peak of cognitive weakness. The only thing I do well in that time is sleep. It's like a dead zone.