In fact, in a study on sleep patterns of adults aged 55 to 75 who were sedentary and troubled by insomnia, exercise was shown to play a key role. Researchers at Stanford University School of Medicine asked these adults to exercise 20 to 30 minutes every other day in the afternoon by walking, engaging in low-impact aerobics, and riding a stationary bicycle. The result? Time required to fall asleep was reduced by half, and total sleep time increased by almost one hour.
What’s more, exercise offers many other mental benefits: