Habitual sleep deprivation is associated with type 2 diabetes: A case-control study

Mohammed A. Al-Abri*, Deepali Jaju, Sawsan Al-Sinani, Ali Al-Mamari, Sulayma Albarwani, Khalid Al-Resadi, Riyadh Bayoumi, Mohammed Hassan, Khamis Al-Hashmi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


Objectives: It is suggested that a minimum of eight hours of sleep per night is needed for metabolism to work normally. The aim of the study was to determine the association of habitual sleep deprivation and type 2 diabetes mellitus (T2DM). Methods: We conducted a case-control study comparing patients with T2DM with age and sex matched healthy controls. Standard sleep questionnaires (the Berlin and Epworth Sleepiness Scale) and a weekly diary were used by patients to self-report habitual sleep. Results: A total of 172 diabetics and 188 healthy controls were enrolled in the study. There was a significant difference between T2DM and healthy controls in nocturnal sleep duration (p = 0.033). There was a significant association between nocturnal sleep duration of fewer than six hours and T2DM (χ2 = 14.0; p = 0.0001). There was no significant difference in daytime sleepiness and daytime naps between the T2DM and control groups (p = 0.452; p = 0.581, respectively). Conclusions: A nocturnal sleep duration < 6 hours is associated with T2DM.

Original languageEnglish
Pages (from-to)399-403
Number of pages5
JournalOman Medical Journal
Issue number6
Publication statusPublished - Nov 2016


  • Case-control studies
  • Diabetes mellitus
  • Oman
  • Sleep deprivation

ASJC Scopus subject areas

  • Medicine(all)


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