Brain Fog RESET

Focus tools, breathing exercises, and hydration reminders

15:00
ready
One task only — write it down first
Phone face down, notifications off
Take a short break when the timer ends
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Press start
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Box breathing uses equal counts for inhale, hold, exhale, and hold. Slow controlled breathing is well supported for reducing stress. The specific 4-4-4-4 ratio is widely practiced — including by the U.S. military — but has limited independent clinical trials. The general approach is sound.
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Reminder every 30 minutes
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Hydrate first
Drink a full glass of water before starting any focus session. Mild dehydration is a major cause of brain fog.
Move between sessions
A 5-minute walk between focus sessions increases blood flow to the brain and reduces mental fatigue significantly.
20-20-20 eye rule
Every 20 minutes, look at something 20 feet away for 20 seconds. Reduces screen-induced mental strain.
One task at a time
Write down your one task before the timer starts. Brain fog worsens when you try to hold too many things in working memory.
Respect your rest
Short breaks are not laziness — they are recovery. Brain fog often means your brain needs rest, not more effort.