1. Digital patient support tool: innovative solutions for enhanced PAP adherence

   • Ryo Tachikawa

   Editorial 16 November 2023 Pages: 1 - 2

2. Link between insomnia, cognitive impairment and stroke

   • Keisuke Suzuki

   Editorial 10 November 2023 Pages: 3 - 4

3. The regulation of the pedunculopontine tegmental nucleus in sleep–wake states

   • Yiting Luo
   • Ying Li
   • Jie Yuan

   Review Article Open access 26 September 2023 Pages: 5 - 11

4. Effect of physical activity on sleep problems in sedentary adults: a scoping systematic review

   • Anushree Rai
   • Mosab Aldabbas
   • Zubia Veqar

   Review Article 28 October 2023 Pages: 13 - 31

   

5. Prevalence of excessive daytime sleepiness and its association with daily life factors in Japanese first-year university students

   • Hideki Shimamoto
   • Peter Eastwood
   • Koh Mizuno

   Original Article 24 July 2023 Pages: 33 - 40

   

6. Insomnia complaints correlated with higher risk of cognitive impairment in older adults following stroke: a National Representative Comparison Study

   • Wei Liang
   • Dean Wu
   • Hsiao-Yean Chiu

   Original Article 18 July 2023 Pages: 41 - 47

7. Effect of a digital patient motivation and support tool on CPAP/APAP adherence and daytime sleepiness: a randomized controlled trial

   • Christian Franke
   • Franziska Piezonna
   • Matthias Schwaibold

   Original Article Open access 17 August 2023 Pages: 49 - 63

   

8. Association between obstructive sleep apnea and low bone mass in adults: a systematic review and meta-analysis

   • Xin-Yuan Wang
   • Xin-Yu Wang
   • Lin-Jing Gong

   Original Article 10 August 2023 Pages: 65 - 73

   

9. The psychometric properties of the Turkish version of the Pre-sleep Arousal Scale

   • Kutlu Kağan Türkarslan
   • Deniz Canel Çınarbaş
   • Perry M. Nicassio

   Original Article 12 August 2023 Pages: 75 - 84

   

10. Prediction of risk factors of sleep disturbance in patients undergoing total hip arthroplasty

    • YuZhu Wang
    • YunQi Jiang
    • YunChao Shao

    Original Article 18 August 2023 Pages: 85 - 91

    

11. A longitudinal study on the change in sleep across three waves of the COVID-19 outbreaks in Hong Kong

    • Denise Shuk Ting Cheung
    • Branda Yee-Man Yu
    • Wing-Fai Yeung

    Original Article 08 September 2023 Pages: 93 - 102

    

12. Psychometric properties of the Youth Self-rated Insomnia Scale (YSIS) in adolescent psychiatric patients

    • Lei Hu
    • Ziyang Wang
    • Xianchen Liu

    Original Article 20 September 2023 Pages: 103 - 111

    

13. The relationship between sleep- and circadian rhythm-related parameters with dietary practices and food intake of sedentary adults: a cross-sectional study

    • Ana Carolina Oumatu Magalhães
    • Camila Guazzelli Marques
    • Marcus V. L. Dos Santos Quaresma

    Original Article 26 September 2023 Pages: 113 - 124

14. The circadian activity rhythms for elderly inpatients with stroke or motor diseases in a rehabilitation facility and its relationship to physical activity level

    • Yuki Nakagawa
    • Kazue Noda
    • Yosuke Inoue

    Original Article Open access 29 September 2023 Pages: 125 - 135

    

15. Assessment of cognitive function and sleep–wake rhythms in community-dwelling older adults

    • Masato Okuda
    • Akiko Noda
    • Soichiro Miyazaki

    Original Article 22 September 2023 Pages: 137 - 145

16. A case presentation of paroxysmal hypnogenic dyskinesia: clinical features and management

    • Selahattin Ayas

    Case Report 27 October 2023 Pages: 147 - 150

    

17. The relationship among sleep, resilience, and stress response in Japanese female university students during the COVID-19 pandemic

    • Mira Tomioka
    • Yusuke Matsunaga
    • Norio Murayama

    Short Paper 20 July 2023 Pages: 151 - 154

    

18. Impact of zolpidem and lemborexant on sleep and morning symptoms when used as a single dose for polysomnography

    • Hiroyuki Sawatari
    • Tomoko Yoshikawa
    • Shin-ichi Ando

    Short Paper 05 September 2023 Pages: 155 - 158