Jump to contentAllNewsSportCultureLifestyleA 20-minute workout is just as effective as a 90-minute nap at combating memory loss caused by sleep deprivation, researchers from McGill University have found.Researchers tested 54 healthy young adults who were kept awake for 30 consecutive hours before either cycling for 20 minutes, napping for 90 minutes, or doing neither for control results.Napping appeared to help the brain “recharge”, making it easier to absorb new information, while exercise let the brain “use its remaining resources more efficiently”.Researchers said that exercise cannot replace sleep, however it might help people function better when they have less time or aren’t in a position to be able to nap.Report co-author Madhura Lotlikar, a doctoral candidate at McGill's neurology department, said: “Exercise is accessible, inexpensive and easy to implement. That makes it a promising tool to help people stay cognitively sharp when sleep is limited.”In fullRunning more effective for sleep loss than a short nap, study findsMore bulletinsThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in