
It’s not the late nights, but the smoking and drinking that happen during those late nights, that are killing people who are “night owls” earlier in life, a new study claims. Researchers studied twins in Finland for 37 years, looking at different chronotypes, the body’s natural inclination to sleep at a certain time. Although they saw that the evening types had a slightly increased risk of dying than the morning types, it was those other habits that were at the root of that greater likelihood of premature death, the study found. The findings were published June 15 in the journal Chronobiology International. “Our findings suggest that there is little or no independent contribution of chronotype to mortality,” said study author Dr. Christer Hublin, from the Finnish Institute of Occupational Health in Helsinki. “In addition, the increased risk of mortality associated with being a clearly ‘evening’ person appears to be mainly accounted for by a larger consumption of tobacco and alcohol,” Hublin said in a journal news release. “This is compared to those who are clearly ‘morning’ persons.” Researchers were inspired to do this study by past studies that had linked night owls to a higher risk of disease, including heart problems. Among those were data from the UK Biobank published as part of a 2018 study that found a small increased risk of death from… read on > read on >