1. Significance of early morning insomnia for keeping the work continuity of shift workers

   • Yuichi Inoue

   Editorial 20 June 2019 Pages: 267 - 267

2. The effects of chronotype and social jetlag on medical students

   • Hyun Ji Choi
   • Yeo Jin Lee
   • Hye-Jin Moon

   Original Article 22 March 2019 Pages: 269 - 276

   

3. Effect of sleep environment of preschool children on children’s sleep problems and mothers’ mental health

   • Suyeon Lee
   • Ji-Hye Ha
   • Seockhoon Chung

   Original Article 25 January 2019 Pages: 277 - 285

   

4. Brief behavioral treatment for insomnia in older adults with late-life treatment-resistant depression and insomnia: a pilot study

   • Marie Anne Gebara
   • Elizabeth A. DiNapoli
   • Jordan F. Karp

   Original Article 28 January 2019 Pages: 287 - 295

   

5. Evaluation of the feasibility and preference of Nox-A1 type 2 ambulatory device for unattended home sleep test: a randomized crossover study

   • Dae Wui Yoon
   • Il-Hee Hong
   • Hyun-Woo Shin

   Original Article 04 March 2019 Pages: 297 - 304

   

6. Effects of chronic REM sleep deprivation on lipocalin-2, nitric oxide synthase-3, interleukin-6 and cardiotrophin-1 levels: an experimental rat model

   • Guven Yildirim
   • Kursat Murat Ozcan
   • Alev Akdogan Kaymaz

   Original Article 07 March 2019 Pages: 305 - 310

   

7. Treatment effect of cognitive-behavior therapy for insomnia combined with usual medication

   • Ya-Wen Jan
   • Chien-Ming Yang
   • Hsin-Chien Lee

   Original Article 03 April 2019 Pages: 311 - 321

   

8. Association between internet addiction and sleep quality among students: a cross-sectional study in Bangladesh

   • Syeda Mushrefa Jahan
   • Shazzat Rahat Hossain
   • Ahmed Hossain

   Original Article 30 March 2019 Pages: 323 - 329

   

9. Sleep problem but not chronotype is associated with retirement from shift work: a cross-sectional retrospective study

   • Shingo Kitamura
   • Masaya Takahashi
   • Kazuo Mishima

   Original Article 09 April 2019 Pages: 331 - 337

   

10. Psychometric properties of Youth Self-Rating Insomnia Scale (YSIS) in Chinese adolescents

    • Xianchen Liu
    • Yanyun Yang
    • Cun-Xian Jia

    Original Article 01 June 2019 Pages: 339 - 348

    

11. Predictors of objectively measured snoring in a working population

    • Tomokazu Furukawa
    • Hiroshi Nakano
    • Nobuyuki Sudo

    Original Article 03 April 2019 Pages: 349 - 354

12. Relationship with excessive daytime sleepiness and serum substance P levels in OSAS patients and the effect of PAP treatment

    • Ozge Aydin Guclu
    • Ahmet Ursavas
    • Mehmet Karadag

    Original Article 21 March 2019 Pages: 355 - 361

    

13. Revisit epoch duration for sake of patient-friendly sleep studies

    • Jaspal Singh
    • R. K. Sharma

    Letter to the Editor 15 March 2019 Pages: 363 - 363