mental clutter

Translations
умственный беспорядок
He finds it hard to focus with all the mental clutter.
Ему трудно сосредоточиться из-за всего умственного беспорядка.
Definitions
Mental clutter refers to the overwhelming accumulation of thoughts, distractions, and worries in one's mind that can hinder focus, decision-making, and overall mental clarity.
Words
mental

adjective
мысленный
clutter

noun
беспорядок