When datelines come closer and I've to do very serious work, I:
1) Drink black coffee,
2) Tie my hair in a tight plait,
3) Douse my head in frankincense, sandalwood, and rosemary EO blend.
When the need is severe, I think of doing this:
|A student of the University of Madras, with his hair tied to a nail in the wall, to prevent him from falling asleep (1905) Source: Wikipedia|