Science Says This Is the Best Time to Exercise

Sophie Miura

When we speak to women we admire, from CEOs to prominent actresses, it's quite common to discover they prioritize exercise in the morning. Their rationale makes sense; as Eva Longoria put it, "the minute the alarm goes off I throw on my tennis shoes and I go [to SoulCycle]. I just can't lollygag. I've got to get up and go; otherwise I won't do it."

If your morning routine includes a high-octane workout, a string of research suggests you're making a mistake. Instead, PureWow points out that the best time of day to exercise is actually the evening. Here's why:

Your Muscles Are Stiff in the Morning

Hours of inactivity means that mornings aren't an ideal time to exercise. When you get out of bed, your muscles can be stiff from ours of lying still, meaning that you need to thoroughly stretch to prepare your body for the gym. On the other hand, by the end of the day, your core temperature has increased and your body is better equipped for physical exertion.

Exercise Helps You Sleep

A study by the University of California has found that people who work out in the evening are able to sleep soundly just 30 minutes after leaving the treadmill. Why? Researchers theorize it's due to reduced blood pressure and muscle tension after running.

Your Lung Function Is Better at Night

Changing your exercise routine to the evening could make it easier for you to increase the intensity of your workout. Research published in the International Journal of Clinical and Experimental Medicine found that lung function is 6% better in the evening than in the morning.

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