The circadian variation of sleep and alertness of postmenopausal women.

ABSTRACT:

Study objectives

Several factors may contribute to the high prevalence of sleep disturbances occurring in postmenopausal women. However, the contribution of the circadian timing system to their sleep disturbances remains unclear. In the present study, we aim to understand the impact of circadian factors on changes of sleep and alertness occurring after menopause.

Methods

Eight healthy postmenopausal women and 12 healthy young women in their mid-follicular phase participated in an ultradian sleep-wake cycle procedure (USW). This protocol consisted of alternating 60-min wake periods and nap opportunities for ≥ 48 h in controlled laboratory conditions. Core body temperature (CBT), salivary melatonin, self-reported alertness, and polysomnographically recorded sleep were measured

SUBMITTER: Perez-Medina-Carballo R 

PROVIDER: S-EPMC9905778 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature