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Dopamine helps lock in new skills during sleep — Level B2 — brown wooden blocks on white table
9 Dec 2025

Dopamine helps lock in new skills during sleep

A study from the University of Michigan finds that dopamine neurons become active during NREM sleep soon after a person learns a movement. Their activity, together with sleep spindles, strengthens motor memories and improves skills after sleep.

Photo by Brett Jordan, Unsplash

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