Wentao Li, Carol Chi-Hei Kwok, Dominic Chun-Wan Chan, Amy Wing-Yin Ho, Chung-Shun Ho, Jihui Zhang, Yun Kwok Wing, Feng Wang, Lap Ah Tse
OBJECTIVE: This prospective cohort study captured the patterns of sleep, sleep-wake activity rhythm, and first-morning urinary melatonin in breast cancer patients undergoing adjuvant chemotherapy. METHODS: Breast cancer patients undergoing adjuvant chemotherapy wore wrist actigraph for 168 h and collected first-morning void urine samples before treatment, during the first, and at the last cycle of chemotherapy. We converted actigraphy data into sleep duration, sleep efficiency, nighttime total wake time, percent rhythm, F-statistic, amplitude, mesor, and acrophase...
December 14, 2018: Sleep Medicine