Published on in Vol 6, No 2 (2022): February
![Importance of Getting Enough Sleep and Daily Activity Data to Assess Variability: Longitudinal Observational Study Importance of Getting Enough Sleep and Daily Activity Data to Assess Variability: Longitudinal Observational Study](https://asset.jmir.pub/assets/24c8547eea21b20171ad45c9751ce671.png 480w,https://asset.jmir.pub/assets/24c8547eea21b20171ad45c9751ce671.png 960w,https://asset.jmir.pub/assets/24c8547eea21b20171ad45c9751ce671.png 1920w,https://asset.jmir.pub/assets/24c8547eea21b20171ad45c9751ce671.png 2500w)
1 Department of Computer Science, Reykjavík University, Reykjavík, Iceland
2 Reykjavik University Sleep Institute, School of Technology, Reykjavík University, Reykjavík, Iceland
3 Department of Engineering, Reykjavík University, Reykjavík, Iceland
4 Internal Medicine Services, Landspitali University Hospital, Reykjavík, Iceland
5 Department of Technology, Management and Economics, DTU-Technical University of Denmark, Copenhagen, Denmark
6 Oticon Medical, Copenhagen, Denmark
7 Department of Design, Manufacturing and Engineering Management, Faculty of Engineering, University of Strathclyde, Glasgow, United Kingdom
*these authors contributed equally