A Switch from being a Night Owl to Early Bird May Improve Your Health

It used to be that medical professionals felt there was no difference in quality regarding the hours a person spent sleeping until recently. Over the last few years, several studies suggest people who stay up into the wee hours of the night may not be as healthy as those who routinely go to bed earlier. This may be due to the fact they are doing the bulk of their sleeping during daylight hours.

A 2023 Harvard study followed a group of healthy middle-age women over a period of eight years. Those who identified themselves as “night owls” had a “72% increase in the risk for developing diabetes than those who identified as morning people. In addition the study found night owls were more likely to be overweight; and have other unhealthy habits such as a poor diet, smoking or consuming too much alcohol. An earlier study from 2021 reported middle-age and older adults who said they routinely go to sleep late between 2 a.m. and 6 a.m., were at a higher risk for obesity (35 – 38 %). Another risk for night owls is not sleeping as many hours a night as their counterparts.

While there are most likely a number of reasons for the increase in the risk of diabetes and obesity beyond sleep patterns, research finds the strongest sleep-cycle hours are between midnight and dawn. Dr. Kenneth Sassower, a pediatric and adult sleep neurologist at Harvard-­affiliated Massachusetts General Hospital. "If you're a night owl and you don't go to sleep until the middle of the night, you're not maximizing the number of hours you can sleep in darkness. The sun comes up soon after your bedtime, which might lead to poor-quality or interrupted sleep."

Doctors say it can be hard to switch to an early bedtime so it is best to do it slowly. Dr. Sassower recommends starting by going to bed 20 minutes earlier for five days in a row. After that continue 20 minutes earlier for another five days until you reach your desired bedtime. Tips to help get to sleep include turning off your electronic devices at least an hour before bedtime; exercise, and avoid alcohol and spicy foods close to bedtime.

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Source: health.harvard.edu/staying-healthy/tips-to-change-your-night-owl-lifestyle?