Abstract
Many studies have shown that smoking can be related to worse sleep quality. However, as the impact of smoking, double view points on mental health and chronotype have been shortened. An integrated questionnaire including the diurnal type scale constructed by Torsvall & ?kerstedt, and questions on smoking was administered to 1376 students attending university and mental training schools (693 women and 683 men), 19.9 years on average in 2010-2013. Only 4.1% of the participants were smokers and they tended to be more evening-typed than non-smokers (p = 0.061). Smokers had significantly more difficulty falling asleep (p = 0.003) and more frequently lacked emotional control (p = 0.001) than non smokers. Smoking, being evening-type and having poor mental health may all be correlated in students attending Japanese university and medical training schools.
Highlights
Jaehne et al (2009) described in a review that nicotine consumption influences mood and sleep by acting onHow to cite this paper: Kawada, T., Oki, K., Yamazaki, Y., Tsuji, F., Nakade, M., Noji, T., Krejci, M., Takeuchi, H., & Harada, T. (2016)
Several studies have shown that healthy smokers have a poorer quality of sleep and shorter sleep duration
To the best of our knowledge, this study is the first to report on the relationship between the smoking habits and an evening-typed lifestyle for the large samples more than 1000
Summary
Jaehne et al (2009) described in a review that nicotine consumption influences mood and sleep by acting onHow to cite this paper: Kawada, T., Oki, K., Yamazaki, Y., Tsuji, F., Nakade, M., Noji, T., Krejci, M., Takeuchi, H., & Harada, T. (2016). Impact of Smoking on Circadian Typology, Sleep Habits and Mental Health of Japanese Students Aged 18 - 30 Years. Sabanayagam and Shankar (2011) examined the association between smoking, smokeless tobacco use, second-hand smoke exposure and insufficient sleep in more than 100,000 individuals using the U.S state-based 2008 Behavioral Risk Factor Surveillance System. Participants who were both current smokers and current smokeless cigarette users had twice the odds of insufficient sleep. Participants who were exposed to second-hand smoke showed a significant risk of insufficient rest/sleep
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