Tea for deep focus — what works for 3-4 hour coding sessions?
4 :plural
The anxiety on 3rd cup of green tea is a classic overcaffeination symptom. Green tea caffeine stacks — if you're drinking every 30-40 min you're loading fast. For 3-4 hour sessions I use sheng pu-erh (young). Light infusions, 85°C, 15 seconds. It has this clear, clean alertness without the edge. Think of it as coffee's focused cousin.
Taiwanese high-mountain oolongs (Ali Shan, Li Shan) are phenomenal for focus. The combination of moderate caffeine and high L-theanine gives what people call 'alert calm' — you're thinking clearly but not racing. I brew 90°C, 30 seconds, gaiwan.
Silver Needle white tea is my personal pick for coding. Lower caffeine but very high L-theanine ratio. I can drink it throughout the day without caffeine anxiety and it keeps me in that soft-focus state. Not a replacement for coffee-level kick but perfect if you already have baseline energy.
Tested the sheng pu-erh suggestion — game changer. Using a small gaiwan now, 85°C water, short infusions, and I'm getting multiple steeps across a work session which spaces out the caffeine perfectly. Thanks!