1. Chronotype as risk factors: is it genetically defined or results of behavior?

   • Hirokuni Tagaya

   Editorial 04 March 2024 Pages: 159 - 160

2. Iris color and autonomic nerve activity

   • Hiroshi Kadotani

   Editorial 04 March 2024 Pages: 161 - 161

3. A review for the impacts of circadian disturbance on urological cancers

   • Tao Li
   • Yiting Jiang
   • Jun Shen

   Review Article 05 December 2023 Pages: 163 - 180

   

4. Alterations in Per2, Bcl2 gene expression, and oxidative status in aged rats liver after light pulse at night

   • Rehab E. El-Hennamy
   • Heba A. Elmasry

   Original Article Open access 05 November 2023 Pages: 181 - 190

   

5. Iris color and day–night changes in the sympathovagal ratio

   • Şahbender Koç
   • Aslı Enzel Koç

   Original Article 31 October 2023 Pages: 191 - 198

   

6. Demographic predictors of bedtime procrastination in the Japanese population

   • Shion Miyagawa
   • Tomoya Sato
   • Shunta Maeda

   Original Article Open access 18 January 2024 Pages: 199 - 206

   

7. Efficacy of cognitive behavioral therapy for insomnia in the perinatal period: a meta-analysis of randomized controlled trials

   • Shuya Feng
   • Bingqin Dai
   • Yunping Zhou

   Original Article 10 December 2023 Pages: 207 - 215

   

8. Examining the structure validity of the Pittsburgh Sleep Quality Index among female workers during New Zealand’s initial COVID-19 lockdown

   • Margrethe Helles
   • Richard Fletcher
   • Rosemary Gibson

   Original Article Open access 19 January 2024 Pages: 217 - 225

   

9. Association between Chronic kidney disease and restless leg syndrome (RLS): a systematic review and meta-analysis

   • Nur Aini
   • Ollyvia Freeska Dwi Marta
   • Lilis Setyowati

   Original Article 02 March 2024 Pages: 227 - 237

   

10. Estimating dim light melatonin onset time in children using delta changes in melatonin

    • Taisuke Eto
    • Shingo Kitamura
    • Shingo Noi

    Original Article 07 October 2023 Pages: 239 - 246

    

11. The effect of chronotypes on follow-up outcomes of patients with substance use disorder

    • Ozlem Akcay Ciner
    • Ali Savas Cilli
    • Şakir Gica

    Original Article 31 October 2023 Pages: 247 - 258

12. Restless legs syndrome, periodic limb movements of sleep, and subclinical cardiovascular disease

    • Kevin J. Hochstrasser
    • Steven C. Rogers
    • Lynn Marie Trotti

    Original Article 02 November 2023 Pages: 259 - 267

    

13. Quetiapine improves sensorimotor gating deficit in a sleep deprivation-induced rat model

    • Öznur Özge Özcan
    • Burcu Çevreli
    • Muhsin Konuk

    Original Article 14 December 2023 Pages: 269 - 278

    

14. Urbanisation negatively impacts sleep health and mood in adolescents: a comparative study of female students from city and rural schools of North India

    • Nisha Singh
    • Neelu Anand Jha
    • Vinod Kumar

    Original Article 11 December 2023 Pages: 279 - 289

    

15. Does cognitive behavioral therapy improve sleep quality during pregnancy?

    • Maria José Pereira de Morais
    • Nádia Raci Marques Pereira
    • Helena Hachul

    Letter to the Editor 28 February 2024 Pages: 291 - 292

16. Covidsomnia: is the sirtuin1-NAD + axis the clue of the matter?

    • Raffaella Mormile
    • Cristina Mormile

    Letter to the Editor 02 March 2024 Pages: 293 - 294

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

    • Anushree Rai
    • Mosab Aldabbas
    • Zubia Veqar

    Correction 12 December 2023 Pages: 295 - 295