Fitness

Exercising for Better Sleep

By May 1, 2019 No Comments
better sleep

Working out is great for your body and mind – and it can also help you get a better sleep. But, for some people, exercising too late in the day can interfere with how well they rest at night.

We have solid evidence that exercise does, in fact, help you fall asleep more quickly and improves sleep quality. But there’s still some debate as to what time of day you should exercise.

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How Exercise May Help You Sleep

Moderate aerobic exercise increases the amount of slow wave sleep you get. Slow wave sleep refers to deep sleep, where the brain and body have a chance to rejuvenate. Exercise can also help to stabilize your mood and decompress the mind, a cognitive process that is important for naturally transitioning to sleep.

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The Timing of Exercise May Matter

Some people may find that exercising close to bedtime seems to keep them up at night. How does working out affect the mind?

  • Aerobic exercise causes the body to release endorphins. These chemicals can create a level of activity in the brain that keeps some people awake. These individuals should exercise at least 1 to 2 hours before going to bed, giving endorphin levels time to wash out and the brain time to wind down.
  • Exercise also raises your core body temperature. The effect of exercise in some people is like taking a hot shower that wakes you up in the morning. Elevation in core body temperature signals the body clock that it’s time to be awake. After about 30 to 90 minutes, the core body temperature starts to fall. The decline helps to facilitate sleepiness.

Despite these biological responses to exercise, other people find that the time of day they exercise doesn’t make a difference. Whether it’s in the early morning or close to bedtime, they’ll see a benefit to their sleep.

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How Much Exercise You Need for Better Sleep?

How much exercise you need for better sleep, and how many weeks, months or years it will take to experience this benefit?

The good news: People who engage in at least 30 minutes of moderate aerobic exercise may see a difference in sleep quality that same night. It’s generally not going to take months or years to see a benefit. And patients don’t need to feel like they have to train for a marathon to become a better sleeper.

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