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For people who have trouble getting up in the morning, it can be hard to imagine being a so-called “morning person.” However, results of new research may encourage them to try. Scientists have found people who have a morning-focused schedule tend to be happier than those who choose to stay up late, LiveScience.com reports.

The study looked at two groups of adults. The first was comprised of 435 people between 17 and 38 and the other was 297 people between 59 and 79. Researchers found that by the time most people reach 60 they tend to get up earlier. Interestingly, older adults also tended to have more positive outlook on life.

“We found that older adults reported greater positive emotion than younger adults, and older adults were more likely to be morning-type people than younger adults,” researcher Renee Biss told the website. “The ‘morningness’ was associated with greater happiness emotions in both age groups.”

There could be a number of reasons for the correlation, but scientists chalk it up largely to the fact that since society operates on a morning-centric schedule, people who are up at that time anyway will be happier.

While it may seem impossible to get to bed and wake up early, there are several ways you can reap the mental health benefits of being a morning person. According to WebMD, relaxing for a bit before you head to bed can go a long way toward creating a peaceful night’s sleep. Whether it’s for 10 minutes or an hour, relieving some stress before sleeping is crucial. Additionally, you should create, and stick to, a sleep schedule that you follow even on the weekend, the Mayo Clinic suggests.