The Strange Mental Trick Sleep Scientists Use to Short-Circuit Anxiety and Tell Your Brain to Start Snoozing
By Leila Sheridan
Published on March 13, 2026.
The technique, known as "cognitive shuffling", involves focusing on a random, emotionally neutral word and generating unrelated images from it. The process is designed to mimic the thought patterns of the human brain as it navigates towards sleep. The exercise is meant to gently occupy the mind without stimulating it, which experts believe can help reduce intrusive thoughts.
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