SLEEP PATTERN CHANGES IN MENSTRUAL CYCLES OF WOMEN WITH PREMENSTRUAL-SYNDROME - A PRELIMINARY-STUDY

OBJECTIVE: The objective of this study was to investigate the sleep pa ttern changes across the menstrual cycle in patients with premenstrual syndrome. STUDY DESIGN: This prospective study was conducted in a uni versity-based premenstrual syndrome clinic. The patients were selected on the basis of the comprehensive interview and visual linear analog scale. Well-matched control subjects were also selected. All the subje cts underwent two consecutive sleep pattern recordings during each of three different menstrual phases in 1 month, Nine sleep parameters wer e recorded. RESULTS: Three patients and six controls completed the stu dy. No cycle-related fluctuation in any parameter was noted in either the patients or the controls. No significant differences in sleep patt ern were noted in the patients when compared with the controls during the same phase of the menstrual cycle. CONCLUSION: Abnormal sleep patt ern in relation to premenstrual syndrome or phases of the menstrual cy cle was not demonstrated in this preliminary study.