How to Increase Focus by Stanford Professor

Sleep is most important
40Hz Binroial Beats or white/pink/brown noise to get started with focus
Cycle of focus: 90min. of focus then 10-30min. resting of focus
Phones are eating our resting times and therefore out focus
focus needs warm-up
flickering focus is normal, accept it
Tyrosin improve adrenaline for focus (seeds and nuts)
Keto (high fat, low carbs diet) might add focus
High Glucose with better focus but might be sleepy (not to much sleep)
Low Glucose fasting state high focus
coffein can be usefull for focus ~100ml to 200ml of caffein after 90min. after sleep yerba mate (NOT smoked)
stress helps focusing
cold exposure induces stress, adrenaline and focus
Meditation set timer for >13min. sit or lay down and focus on breathing an inch inside your forehead, refocus back on your breath: improve focus in 8 weeks