Are you a night owl? Night owls are people who stay awake during late night hours. It may feel good staying up late during the night but one should also note that it is accompanied by risks. First of all, our body has a natural clock. When you stay up late during the night, your body clock will change but it will not be in accordance with external environmental factors.

Associations between chronotype, morbidity and mortality in the UK Biobank cohort” is a study conducted by Kristen Knutson and Malcolm von Schantz, published in Chronobiology International, The Journal of Biological and Medical Rhythm Research during April.

Researchers analyzed data from 433 268 death certificates of participants from 38 to 73 years old provided by the UK Biobank study. These ‘participants’ had completed the questions related to the sleeping schedule. Researchers monitored whether there was any connection between death exposure and sleeping schedules. There were four categories about sleeping schedules: more a morning than an evening person, more an evening than a morning person, definite morning person, definite evening person. Researchers followed the data analyses for about 6.5 years. Definite morning types were about 27% of the samples meanwhile only 9% of the total sample reported to be definite evening person. Further, 37% were reported to be more a morning than an evening person and 28% were more an evening than a morning type.

During the following period of 6.5 years, there occurred 10534 all-cause deaths, among which 2127 were because of cardiovascular disease. From the specific comparative analyses of different statistics, researchers monitored that as there was a shift to the evening there was also increased mortality meanwhile statistically there were seen 10% increased risk of all-cause deaths for definite evening persons compared to definite morning persons. Furthermore, during analyses, the more researchers would tend to shift in the morning, the fewer were the chances of recording all-cause deaths and cardiovascular disease deaths. Also, the two other categories, intermediate ones, didn’t show raised risk for all-cause deaths.

It is possible for a person to shift to a morning type of person. First thing is to be exposed to light early in the morning as well as avoiding being exposed to the light during the night. The second thing is trying to avoid irregular sleeping times and consider going to bed early. If you can’t sleep, try to get tired a bit more during the day.