Loss of disability-adjusted life years due to heat-related sleep disturbance in the Japanese.

"Declarations Conflict of interestWe know of no conflicts of interest associated with this publication, and there has been no significant financial support for this work that could have influenced its outcome. Ethical approvalThe ethics committee of the National Institute of Advanced Industrial Science and Technology approved our survey (No. 2010-268). Informed consentOur survey was conducted after obtaining the consent of the monitors in accordance with the ethical regulations of the National Institute of Advanced Industrial Science and Technology. Research involving human participants and/or animalsThe online questionnaire survey was conducted in Nagoya City from August 2nd to the 11th (10 consecutive days) in 2011 and from July 31st to August 16th (9 days (Tuesdays, Wednesdays, and Thursdays) on three consecutive weeks) in 2012. We used the survey company’s (INTAGE Research Inc., Tokyo, Japan) panel of individuals registered as the company’s monitors for our study. A total of 574 respondents participated in the 2011 survey and 710 in the 2012 survey. Conflict of interest We know of no conflicts of interest associated with this publication, and there has been no significant financial support for this work that could have influenced its outcome."

"We would like to thank Editage (www.editage.com) for English language editing. This study was supported by JSPS KAKENHI Grant Numbers 23360437 and 20H03949, Grant-in-Aid for Scientific Research (B), 18KK0123, Fund for the Promotion of Joint International Research (Fostering Joint International Research (B)), the Research Program on Climate Change Adaptation (Research representative: Satoru Iizuka) of the Ministry of Education, Culture, Sports, Science and Technology, and the Environment Research and Technology Development Fund (S-14) of the Environmental Restoration and Conservation Agency of Japan. Declarations: Conflict of interestWe know of no conflicts of interest associated with this publication, and there has been no significant financial support for this work that could have influenced its outcome.: Ethical approvalThe ethics committee of the National Institute of Advanced Industrial Science and Technology approved our survey (No. 2010-268).: Informed consentOur survey was conducted after obtaining the consent of the monitors in accordance with the ethical regulations of the National Institute of Advanced Industrial Science and Technology.: Research involving human participants and/or animalsThe online questionnaire survey was conducted in Nagoya City from August 2nd to the 11th (10 consecutive days) in 2011 and from July 31st to August 16th (9 days (Tuesdays, Wednesdays, and Thursdays) on three consecutive weeks) in 2012. We used the survey company’s (INTAGE Research Inc., Tokyo, Japan) panel of individuals registered as the company’s monitors for our study. A total of 574 respondents participated in the 2011 survey and 710 in the 2012 survey. Conflict of interest: We know of no conflicts of interest associated with this publication, and there has been no significant financial support for this work that could have influenced its outcome."