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Practice with sleep makes perfect: sleep-dependent motor skill learning

Controlled motor-sequence experiment showing ~20% faster performance after a night of sleep versus no significant change after an equivalent waking interval; improvement correlated with stage 2 NREM sleep, especially late-night stage 2.

Design

  • Within-subject motor skill paradigm comparing 12 h intervals containing sleep vs wake
  • Outcome: speed of sequential finger movements with accuracy preserved

Headline result (abstract)

  • ~20% increase in motor speed without loss of accuracy after sleep; wake interval showed no significant gain
  • Correlation: overnight performance gain associated with amount of stage 2 NREM, particularly late in the night

Evidence hygiene

  • Laboratory motor-learning task—supports sleep scheduling rationale for skill athletes/students but is not a clinical insomnia treatment trial.

Publication

Walker MP, Brakefield T, Morgan A, Hobson JA, Stickgold R. Neuron. 2002 Jul 3;35(1):101-7. PMID 12123620.

Outcomes

  • Sprint Time Improvement
    20
    % (Percent Change)
  • Magnitude of overnight improvement correlated with amount of stage 2 NREM sleep, particularly in late sleep cycles per abstract.
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