1. Effects of loneliness and social isolation on sleep health

   • Yoko Komada

   Editorial 25 February 2022 Pages: 149 - 149

2. Sex-related differences in continuous positive airway pressure adherence

   • Jun Shitara
   • Takatoshi Kasai

   Editorial 26 February 2022 Pages: 151 - 152

3. The contribution of social isolation and loneliness to sleep disturbances among older adults: a systematic review

   • Akbar Azizi-Zeinalhajlou
   • Mojgan Mirghafourvand
   • Hossein Matlabi

   Review Article 28 February 2022 Pages: 153 - 163

   

4. Sleep architecture and the absence of trapezius muscle atonia in women with chronic whiplash-associated disorder: a pilot study

   • Erik L. Mateos-Salgado
   • Benjamín Domínguez-Trejo
   • Fructuoso Ayala-Guerrero

   Original Article 22 October 2021 Pages: 165 - 171

   

5. Effects of transdiagnostic group treatment for sleep disturbances in adult attention-deficit/hyperactivity disorders and autistic spectrum disorder: a pilot study

   • Miho Ishii
   • Wakako Ito
   • Isa Okajima

   Original Article Open access 10 November 2021 Pages: 173 - 180

   

6. Subjective sleep disorders and daytime sleepiness in patients with restrictive type anorexia nervosa and effects on quality of life: a case–control study

   • Andrea Romigi
   • Nicola B. Mercuri
   • Fabrizio Jacoangeli

   Original Article 09 November 2021 Pages: 181 - 189

   

7. Sex differences in the effectiveness and affecting factors to adherence of continuous positive airway pressure therapy

   • Kanae Fujita
   • Hiroaki Chishaki
   • Akiko Chishaki

   Original Article 10 January 2022 Pages: 191 - 200

   

8. Sleep and social–emotional problems in preschool-age children with developmental delay

   • Evin Ilter Bahadur
   • Pinar Zengin Akkus
   • Elif Nursel Ozmert

   Original Article 19 November 2021 Pages: 201 - 210

   

9. The relationship between marital status and multifactorial sleep in Japanese day workers

   • Yuuki Matsumoto
   • Naohisa Uchimura
   • Tatsuya Ishitake

   Original Article 27 November 2021 Pages: 211 - 217

10. The association between type 2 diabetes and major depression in apnoeic individuals

    • Mohammed Al Faker
    • Benjamin Wacquier
    • Matthieu Hein

    Original Article 28 January 2022 Pages: 219 - 228

11. Reduced left lateralized functional connectivity of the thalamic subregions between short-term and chronic insomnia disorder

    • Xiaofen Ma
    • Shishun Fu
    • Junzhang Tian

    Original Article 18 January 2022 Pages: 229 - 237

    

12. Long-term use of CPAP in patients with obstructive sleep apnea: a prospective longitudinal cohort study

    • Margareta Møkleby
    • Britt Øverland

    Original Article Open access 18 December 2021 Pages: 239 - 246

    

13. Effects of different light incident angles via a head-mounted device on the magnitude of nocturnal melatonin suppression in healthy young subjects

    • Naoko Kubota
    • Yusuke Tamori
    • Yujiro Yamanaka

    Original Article Open access 21 January 2022 Pages: 247 - 254

    

14. Oak extracts modulate circadian rhythms of clock gene expression in vitro and wheel-running activity in mice

    • Atsushi Haraguchi
    • Yao Du
    • Shigenobu Shibata

    Original Article 20 January 2022 Pages: 255 - 266

    

15. The effect of positive airway pressure therapy on intraocular pressure and retina in severe obstructive apnea syndrome

    • Nursel Dikmen
    • Ayse Idil Cakmak
    • Selma Urfalioglu

    Original Article 20 January 2022 Pages: 267 - 273

16. The effect of listening to Iranian pop and classical music, on mental and physiological drowsiness

    • Niloofar Sheibani
    • Seyed Abolfazl Zakerian
    • Elham Akhlaghi Pirposhteh

    Original Article 09 January 2022 Pages: 275 - 285

    

17. Does poor sleep quality and excessive daytime sleepiness influence fear of falling among older adults? A cross-sectional study

    • Viviane Akemi Kakazu
    • Rafael Zambelli Pinto
    • Priscila Kalil Morelhão

    Original Article 06 January 2022 Pages: 287 - 295

    

18. Validity of clinical diagnostic criteria for sleep bruxism by comparison with a reference standard using masseteric electromyogram obtained with an ultraminiature electromyographic device

    • Saki Mikami
    • Taihiko Yamaguchi
    • Akihito Gotouda

    Original Article 29 January 2022 Pages: 297 - 308

    

19. Changes in sleep patterns of college students in Israel during COVID-19 lockdown, a sleep diaries study

    • Anat Lan
    • Danielle Kotler
    • Haim Einat

    Original Article 10 January 2022 Pages: 309 - 314

20. Rotigotine is effective for depressive symptoms accompanying periodic limb movement disorder or restless legs syndrome

    • Jun Miura
    • Ken-Ichi Honma
    • Sato Honma

    Case Report 19 January 2022 Pages: 315 - 317

    

21. The concern about noradrenergic and antimuscarinic agents for OSA

    • Donghao Wang
    • Riken Chen
    • Nuofu Zhang

    Letter to the Editor 14 January 2022 Pages: 319 - 320

22. Changes in sleep patterns during COVID-19 lockdown: correspondence

    • Rujittika Mungmunpuntipantip
    • Viroj Wiwanitkit

    Letter to the Editor 11 February 2022 Pages: 321 - 321