And you're not alone.
Woman in bed, hands over face
Credit: ljubaphoto

If you just can't seem to wake up on the right side of the bed no matter how well you sleep or how early you turn in, a team of British geneticists has good news for you: it's your DNA's fault.

In a ground-breaking experiment out of the University of Leicester, scientists analyzed 80 different genes relating to circadian rhythms in fruit flies (interestingly, these tiny insects share nearly 60% of human genes). The results, published in Frontiers of Neurology in 2015, found that the fruit flies could be categorized into two distinct groups: "larks" and "owls." Larks are flies that prefer to emerge from their pupal case in the morning, while "owls," favor making an evening exit from their pupal case.

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Most notably, researchers were able to identify the large portions of DNA responsible for the preference in both fly groups, proving that there is a genetic basis to morning and night owl tendencies in humans.

The study's author, Eran Tauber, was able to conclude that these genetic differences ultimately shape a fly's entire life experience. For humans, this is most evident in traditional 9-5 work environments, where, when it comes to productivity, the morning person has a genetic edge.

At least night owls can enjoy being the life of the party?