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LETTER TO THE EDITOR |
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| Year : 2016 | Volume
: 19
| Issue : 3 | Page : 422 |
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The factors influencing sleep quality
Serdar Tasdemir1, OZ Oguzhan2
1 Department of Neurology, Beytepe Military Hospital, Ankara, Turkey
2 Department of Neurology, Gulhane Military Medical Academy, Ankara, Turkey
| Date of Submission | 11-Oct-2015 |
| Date of Decision | 12-Oct-2015 |
| Date of Acceptance | 12-Oct-2015 |
| Date of Web Publication | 25-Jul-2016 |
Correspondence Address:
Serdar Tasdemir
Department of Neurology, Beytepe Military Hospital, Cankaya - 06805, Ankara
Turkey
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/0972-2327.186859
How to cite this article:
Tasdemir S, Oguzhan O Z. The factors influencing sleep quality. Ann Indian Acad Neurol 2016;19:422 |
Sir,
We have read the study of Duman et al. entitled "Sleep changes during prophylactic treatment of migraine" with great interest. In this study, they aimed to assess sleep quality in patients with primary headaches before and after prophylactic treatment using a validated sleep-screening instrument. They evaluated a total of 147 patients including 63 tension type headache (TTH) patients and 84 migraine patients. [1] They reported that poor quality of sleep prior to prophylactic treatment was observed in 61.4% of the migraine patients and in 77.7% of the TTH patients. Comparison of sleep quality scores before and 3 months following treatment showed a significantly improved quality of sleep in all the treatment groups; the greatest significance was detected in migraine patients treated with amitriptyline. [1]
When we inspected the article in the model of the study, exclusion criteria were thought to be as mentioned below: Any of the following symptoms of depression, anxiety, or other comorbid psychiatric disorders; other types of headache disorders or more than one type of headache (e.g., migraine and TTH attacks in the same patient); other clinical conditions characterized by sleep disturbance (e.g., obstructive sleep apnea, restless les syndrome); chronic use of drugs known to affect sleep (e.g., benzodiazepines, antidepressants, anticonvulsants, antipsychotics, antihistamines); morbid obesity (body mass index >35 kg/m2); epilepsy; and pregnancy or breast-feeding. [1]
Available literature data regarding sleep quality studies indicate that many factors influence sleep quality such as diabetes mellitus, cardiac diseases, menopause, and eating and drinking habits. [2],[3],[4],[5],[6],[7],[8] In a study, it was shown by using the Pittsburgh Sleep Quality Index that patients with type 2 diabetes mellitus were more likely to have poor quality of sleep. [3] It was reported that the severity of complaints in sleep disturbances increased when there were occurrences of cardiovascular risk factors and diseases and elevated levels of fibrinogen and C-reactive protein (CRP). [4] Another cause affecting sleep is menopause. It was indicated that women who were into perimenopause were more likely to have sleeping problems. [5],[6] The prevalence of sleep complaints increased dramatically from 12% to 40% during this period. [7] Leah A Irish et al. also stated that caffeine, nicotine, and alcohol have effects on sleep quality. [8]
Unfortunately, the authors failed to consider these factors as exclusion criteria. The results in Duman's study might be controversial without taking into consideration these factors. We believe that the authors did take care of such factors and possibly a typing error occurred during the writing of the article. The authors should declare these issues and readers should keep in mind that these factors might have effects on the sleep quality.
Financial support and sponsorship
Nil.
Conflicts of interest
There are no conflicts of interest.
 References | |  |
| 1. | Duman T, Dede ÖH, Uluduz D, Seydaoğlu G, Okuyucu E, Melek İ. Sleep changes during prophylactic treatment of migraine. Ann Indian Acad Neurol 2015;18:298-302.  [ PUBMED]  |
| 2. | Sridhar GR, Madhu K. Prevalence of sleep disturbances in diabetes mellitus. Diabetes Res Clin Pract 1994;23:183-6. [ PUBMED] |
| 3. | Buysse DJ, Reynolds CF 3 rd , Monk TH, Berman SR, Kupfer DJ. The Pittsburgh Sleep Quality Index: A new instrument for psychiatric practice and research. Psychiatry Res 1989;28: 193-213. |
| 4. | Michal M, Wiltink J, Kirschner Y, Schneider A, Wild PS, Münzel T, et al. Complaints of sleep disturbances are associated with cardiovascular disease: Results from the Gutenberg Health Study. PloS One 2014;9:e104324. |
| 5. | Kravitz HM, Ganz PA, Bromberger J, Powell LH, Sutton-Tyrrell K, Meyer PM. Sleep difficulty in women at midlife: A community survey of sleep and the menopausal transition. Menopause 2003;10:19-28. [ PUBMED] |
| 6. | Young T, Rabago D, Zgierska A, Austin D, Laurel F. Objective and subjective sleep quality in premenopausal, perimenopausal, and postmenopausal women in the Wisconsin Sleep Cohort Study. Sleep 2003;26:667-72. [ PUBMED] |
| 7. | Cirignotta F, Mondini S, Zucconi M, Lenzi PL, Lugaresi E. Insomnia: An epidemiological survey. Clin Neuropharmacol 1985;8(Suppl 1):S49-54. [ PUBMED] |
| 8. | Irish LA, Kline CE, Gunn HE, Buysse DJ, Hall MH. The role of sleep hygiene in promoting public health: A review of empiric al evidence. Sleep Med Rev 2015;22:23-36. [ PUBMED] |
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