Cognitive Shuffle

Break repetitive thought loops by visualizing random, neutral words — great for pre-sleep mental quiet.

About This Exercise

Cognitive Shuffle was developed by cognitive scientist Luc Beaulieu-Prévost. It works by intentionally generating random, unconnected mental images — each from a new, unrelated word — to disrupt the sequential, logical thinking that keeps you awake.

What It Helps With

• Difficulty falling asleep due to racing thoughts
• Mental over-activation at bedtime
• Rumination and repetitive thinking loops
• As an alternative to sleep medication for mild insomnia

The Science

The brain's default mode network tends to engage in narrative, self-referential thinking at night — exactly the kind that keeps us awake. By forcing random, disconnected imagery, the cognitive shuffle mimics the hypnagogic imagery that naturally precedes sleep onset, signaling to the brain that it's time to transition into sleep.

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