How
exercise can help you sleep
For
most of us who are having trouble sleeping, there’s
a simple cure: exercise.
Working
out regularly has been shown to reduce episodes
of insomnia. What’s more, it promotes improved
sleep quality by producing smoother, more regular
transitions between the cycles and phases of sleep.
Moderate
exercise lasting 20 to 30 minutes three or four
times a week generally results in better sleep
and more energy. You may have to find your own
exercise rhythm-– some people can exercise
any time, while others do better if they work
out in the morning or afternoon, not near bedtime.
But, vigorous exercise during the day and mild
exercise before bedtime will not only help you
fall asleep and stay asleep more easily, but will
increase the amount of time you spend in deepest
sleep phase (Stage 4 sleep).
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: