Practice Makes Imperfect: Restorative Effects of Sleep on Motor Learning
2008

The Effects of Sleep on Motor Learning

Sample size: 55 publication 10 minutes Evidence: moderate

Author Information

Author(s): Sheth Bhavin R., Janvelyan Davit, Khan Murtuza

Primary Institution: University of Houston

Hypothesis

Does sleep enhance motor skill learning after initial training?

Conclusion

Sleep restores motor learning performance to optimal levels after initial training.

Supporting Evidence

  • Sleep has been shown to be critical for further enhancement of motor skills after initial training.
  • Participants who trained at night showed significant overnight improvements in performance.
  • Sleep restored accuracy to optimal levels achieved before sleep.

Takeaway

When you practice something and then sleep, your brain helps you do it better the next day.

Methodology

Participants performed a finger-tapping task before and after sleep, with performance measured in terms of speed and accuracy.

Potential Biases

Participants were instructed to be drug, alcohol, and caffeine free, which may limit generalizability.

Limitations

Data from three subjects were lost due to human error.

Participant Demographics

Fifty-eight right-handed subjects aged 18 to 28, with 19 females.

Statistical Information

P-Value

p=0.003

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0003190

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