Research

◆ Sleep debt and social jetlag

[International Journal] Outdoor daylight exposure and longer sleep promote wellbeing under COVID-19 mandated restrictions. Korman M, Tkachev V, Reis C, Komada Y, Kitamura S, Gubin D, Kumar V, Roenneberg T. J Sleep Res. 2022 Apr;31(2):e13471. PubMed

[International Journal] COVID-19-mandated social restrictions unveil the impact of social time pressure on sleep and body clock. Korman M, Tkachev V, Reis C, Komada Y, Kitamura S, Gubin D, Kumar V, Roenneberg T. Sci Rep. 2020 Dec 17;10(1):22225. PubMed

[Information] Science Translational Medicine Link

[International Journal] A survey on social jetlag in Japan: a nationwide, cross-sectional Internet survey. Komada Y, Okajima I, Kitamura S, Inoue Y. Sleep Biol Rhythms. 2019 17:417-422. : Link

[Symposium] Science Council of Japan (SCJ) 2021/8/28 : Link

[Article] Forbes Japan, 2020/8/29 Link

[Artilce] Keio MCC, 2019/4/9 Link


◆ Sleep, circadian rhythm, and reproductive health

[International Journal] Sleep habits and problems across gestational progress in Japanese women. Kawakami SI, Ikegami A, Komada Y. J Obstet Gynaecol Res. 2023 Apr;49(4):1137-1143. PubMed

[International Journal] The Relationship between the lunar phase, menstrual cycle onset and subjective sleep quality among women of reproductive age. Komada Y, Sato M, Ikeda Y, Kami A, Masuda C, Shibata S. Int J Environ Res Public Health. 2021 Mar 21;18(6):3245. PubMed

[International Journal] Social jetlag and menstrual symptoms among female university students. Komada Y, Ikeda Y, Sato M, Kami A, Masuda C, Shibata S. Chronobiol Int. 2019 Feb;36(2):258-264. PubMed

[Information] Yahoo news, 2019/4/13 : Link

[Editorial] Relationship of women’s reproductive health and menstrual problems with sleep and circadian rhythm. (Editorial) Sleep Biol Rhythms.2020 18: 1. 10.1007/s41105-019-00247-8 : Link


◆ Society, Environment and Sleep

[Talk] Sleep day 2022 Information : PDF

[Symposium] Japan Science and Technology Agency (JST) Science agora 2021 2021/11/7 : Link / YouTube

[TV] NHK 2021/8/20 Link

[International Journal] Sleep patterns in Metropolitan and Regional areas in Japan: before and during COVID-19 social restrictions. Kondo K, Komadaa Y, Kitamura S, Tkachev V, Roenneberg T, Korman M. Chronobiol Int. (in press 2024)

[International Journal] Clinical significance and correlates of behaviorally induced insufficient sleep syndrome. Komada Y, Inoue Y, Hayashida K, Nakajima T, Honda M, Takahashi K. Sleep Med. 2008 Dec;9(8):851-6. PubMed

[TV] NHK, 2017/6/18 Link


◆ Sleep in children

[Translation] “Enlighten your clock. How your body tells time.” Yoko Komada, Yu Tahara (Translation) Manuel Spitschan (Ed), Coline Weinzaepflen (Written and illustrated) : Link / YouTube

[Article] The Mainichi Shimbun, 2023/2/24 Link

[Article] Nikkei xwoman, 2022/8/22 Link

[Article] The Children’s Sleep Guidebook Yoko Komada, Yuichi Inoue (Eds) Asakura Publishing Co., Ltd. Tokyo, 2019/7/1 : Link

[Book] 2919/3/25 : Link

[Book] 2017/3/21 Link

[International Journal] Delayed sleep-wake phase disorder and its related sleep behaviors in the young generation. Futenma K, Takaesu Y, Komada Y, Shimura A, Okajima I, Matsui K, Tanioka K, Inoue Y. Front Psychiatry. 2023 May 19;14:1174719. PubMed

[International Journal] A longitudinal study of subjective daytime sleepiness changes in elementary school children following a temporary school closure due to COVID-19. Komada Y, Ishibashi Y, Hagiwara S, Kobori M, Shimura A. Children. 2021 Mar 1;8(3):183. PubMed : PubMed

[International Journal] Social jetlag affects subjective daytime sleepiness in school-aged children and adolescents: A study using the Japanese version of the Pediatric Daytime Sleepiness Scale (PDSS-J). Komada Y, Breugelmans R, Drake CL, Nakajima S, Tamura N, Tanaka H, Inoue S, Inoue Y. Chronobiol Int. 2016;33(10):1311-1319. PubMed / Information (PDF)


◆ Sleep related eating discorder

[International Journal] Japanese version of the Munich Parasomnia Screening (MUPS): Translation and linguistic validation of a screening instrument for parasomnias and nocturnal behaviors. Komada Y, Breugelmans R, Fulda S, Nakano S, Watanabe S, Noda C, Nishida S, Inoue Y. Neuropsychiatr Dis Treat. 2015 Nov 25;11:2953-8. PubMed / Information\ (PDF)

[International Journal] Comparison of clinical features between primary and drug-induced sleep-related eating disorder. Komada Y, Takaesu Y, Matsui K, Nakamura M, Nishida S, Kanno M, Usui A, Inoue Y. Neuropsychiatr Dis Treat. 2016 May 26;12:1275-80. PubMed