Relationship of women’s reproductive health and menstrual problems with sleep and circadian rhythm Yoko Komada Editorial 05 December 2019 Pages: 1 - 1
Daytime sleepiness in relation to gender and premenstrual symptoms in a sample of Japanese college students Jun MiuraRiho Honma Original Article 23 August 2019 Pages: 3 - 8
Sleep disturbance and daytime sleepiness in cigarette smokers attempting to quit without treatment Amy M. BenderHans P. A. Van DongenMatthew E. Layton Original Article 06 August 2019 Pages: 9 - 16
Morningness–eveningness and affect: the mediating roles of sleep quality and metacognitive beliefs Richard Carciofo Original Article 23 August 2019 Pages: 17 - 26
A school-based sleep hygiene education program for adolescents in Japan: a large-scale comparative intervention study Yuichiro OtsukaYoshitaka KaneitaMikiko Tokiya Original Article 19 September 2019 Pages: 27 - 36
Prevalence of sleep-disordered breathing in Japanese children: efficiency of screening with nocturnal pulse oximetry Tomoko NaoAnita RahmawatiTomoko Ohkusa Original Article 18 October 2019 Pages: 37 - 47
The relationship between sleep duration, sleep quality and dietary intake in adults Biriz ÇakirFatma Nişancı KılınçEda Karaismailoğlu Original Article 06 November 2019 Pages: 49 - 57
Feasibility of the duration of actigraphy data to illustrate circadian rhythm among cognitively intact older people in nursing home: cosinor analysis Ilknur DoluNursen O. Nahcivan Original Article 14 November 2019 Pages: 59 - 64
A national survey on how sexual activity is perceived to be associated with sleep Ståle PallesenSiri WaageBjørn Bjorvatn Original Article 03 December 2019 Pages: 65 - 72
Retraction Note: A mathematical model to study the relationship between the dietary profiles, core body temperature and sleep profile in the high school students Siddhanta PandaTrina SenguptaTandeep Kaur Retraction Note 24 October 2019 Pages: 73 - 73