The start of the day is often the best time to get things done. This is somewhat related to willpower.
Tim FerrissWhich 20% of sources are causing 80% of my problems and unhappiness? Which 20% of sources are resulting in 80% of my desired outcomes and happiness?
Tim FerrissNever check email first thing in the morning. Instead, complete your most important task before 11:00 A.M. to avoid using lunch or reading email as a postponement excuse.
Tim Ferriss