Until I read your original comment I sort of forgot about that sort of feeling since it's been months of normal daily grind. I wonder if anyone has done serious study into this type of performance.
Some things I've found:
- Waking up way earlier than usual works for about 1 day a week but then I'm more tired the next few days.
- Hydration helps me. A big cup of water is more important than coffee in the morning.
- Caffeine is great. I want to try a detox and re-introduction.
- Socialization is a double edged sword. I find it easier to be hyper-productive when my life has enough interpersonal connection, but being with people is fun and the more I socialize the harder I find it to settle into flow at work
- Eliminating distractions is really important for me (or maybe it's a side effect?) but in my times of hyper-productivity there is no distractions or desires for distractions (ex: video games, social media, etc)