Can't Sleep? Study Finds One Short Activity May Help Save Your Memory
Summary
A study by McGill University found that doing a short workout or taking a nap after staying awake for over a day helps people remember things better. Both activities improved memory by about 22% compared to those who did neither after sleep loss.Key Facts
- The study involved 54 healthy young adults aged 18 to 35.
- Participants stayed awake for 30 hours in a controlled lab setting.
- After sleep deprivation, one group exercised for 20 minutes, another took a 90-minute nap, and the last group did nothing.
- Memory was tested immediately after these activities and again three days later.
- Both exercise and naps improved memory performance by about 22%.
- Naps helped restore brain readiness for learning, while exercise helped the brain use memory resources more efficiently despite tiredness.
- Exercise did not make participants feel more tired, making it practical when rest is not possible.
- Researchers said these methods can help manage fatigue but should not replace regular sleep.
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