@article{2c8519cbf9904861bc5c11b2733c29da,
title = "Sleep duration and the risk of breast cancer: The Ohsaki Cohort Study",
abstract = "In a prospective study of 23 995 Japanese women, short sleep duration was associated with higher risk of breast cancer (143 cases), compared with women who slept 7 h per day, the multivariate hazard ratio of those who slept ≤6 h per day was 1.62 (95% confidence interval: 1.05-2.50; P for trend=0.03).",
keywords = "Breast cancer, Incidence, Japanese, Prospective cohort study, Sleep duration",
author = "M. Kakizaki and S. Kuriyama and T. Sone and K. Ohmori-Matsuda and A. Hozawa and N. Nakaya and S. Fukudo and I. Tsuji",
note = "Funding Information: This study was supported by a Grant-in-Aid for Cancer Research and for the Third Term Comprehensive Ten-Year Strategy for Cancer Control (H18-3jigan-ippan-001), Ministry of Health, Labour and Welfare, Japan. Masako Kakizaki was supported in part by Global COE Program (Basic and Translational Research Center for Global Brain Science), MEXT, Japan.",
year = "2008",
month = oct,
day = "4",
doi = "10.1038/sj.bjc.6604684",
language = "English",
volume = "99",
pages = "1502--1505",
journal = "British Journal of Cancer",
issn = "0007-0920",
publisher = "Springer Nature",
number = "9",
}