Opening the Donguibogam library...
Opening the Donguibogam library...
Opening the symptom encyclopedia...

You clearly had two cups of coffee this morning, but does your head still feel heavy? You have a mountain of work to do, but you keep zoning out, and even during an important conversation, you find yourself drifting off into another world. Could it be that accumulated brain fatigue has caused your concentration to drop?

Lately, have you felt like you are addicted to your smartphone because reading even a single line of a book feels difficult and focusing on work seems overwhelming? You look at the words, but nothing registers, or someone shares something important, yet it feels as though you never heard it. If you have been blaming yourself and wondering if you are alone in this, here is a clearer look at why this happens and how to relieve that frustration.