Contactless and longitudinal monitoring of nocturnal sleep and daytime naps in older men and women: a digital health technology evaluation study.

"Disclosure Statement Financial disclosure. The authors declare no competing financial interests. The Withings and Emfit devices used in this study were purchased from the manufacturers without any price reductions. The manufacturers of these devices were not involved in either the design and conduct of this study, the analysis and interpretation of the data or the preparation of the manuscript. Non-financial disclosure. The authors declare no competing non-financial interests. Financial disclosure. The authors declare no competing financial interests. The Withings and Emfit devices used in this study were purchased from the manufacturers without any price reductions. The manufacturers of these devices were not involved in either the design and conduct of this study, the analysis and interpretation of the data or the preparation of the manuscript. Financial disclosure."

"Funding This work is supported by the UK Dementia Research Institute, Care Research and Technology Centre (CR&T) at Imperial College, London, and the University of Surrey, Guildford, UK, which receives its funding from UK DRI Ltd, funded by the UK Medical Research Council, Alzheimer’s Society and Alzheimer’s Research UK."