Synchrony between Ovarian Function & Sleep in Polycystic Ovary Syndrome Patients

Farideh Zafari Zangeneh, Mohammad Mehdi Naghizadeh, Alireza Abdollahi, Maryam Bagheri

Department of Community Medicine, Medical Faculty, Fasa University of Medical Sciences, Fasa, Iran.
Pathology Laboratory, Vali-e-Asr Hospital, Tehran University of Medical Sciences, Tehran, Iran.
Reproductive Health Research Center, Tehran University of Medical Sciences, Tehran, Iran.

DOI: 10.4236/ojog.2014.412101                

Abstract

Polycystic ovary syndrome (PCOS) is a complex, multifaceted, heterogeneous disorder, affecting 4% to 18% of reproductive-aged women and is associated with reproductive, metabolic and psychological dysfunction. In this study we determined the relationship between the time to sleep and serum levels of neurohormones in polycystic ovary syndrome (PCOS). Totally 77 PCO patients(case group) and 97 non-PCOS infertile women (control subjects) participated in this study between February 2012 and February 2013. A PSQI sleep questionnaire was completed by each patient in both groups. PSQI sleep questionnaire score and serum concentration of adrenaline, noradrenaline, melatonin, β-endorphin, cortisol and progesterone were compared in two groups. The results of the study indicate that serum levels of melatonin and β-endorphin were lower in women with PCOS. Serum level of stress hormones, adrenaline and noradrenaline were significantly correlated with patients’ sleep time in study group. Serum level of adrenaline in control group was significantly lower in women who wake up earlier in the morning. All hormones except for cortisol had no significant correlation with PSQI global score in both groups and also the people who sleep less than 8 hours had lower cortisol level. These data showed that changes in cortisol in PCO women were due to damage of disturbed sleep at night. Our preliminary work provided this study with new insight into the interactions between sleep-wake cycles in PCO women with specific sleep patterns.

Keywords

Polycystic Ovary Syndrome (PCOS), Sleep, Stress Hormone, β-Endorphin, Melatonin

Conflicts of Interest

The authors declare no conflicts of interest.

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