Published on in Vol 8, No 11 (2020): November

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/20465, first published .
Sleep Tracking of a Commercially Available Smart Ring and Smartwatch Against Medical-Grade Actigraphy in Everyday Settings: Instrument Validation Study

Sleep Tracking of a Commercially Available Smart Ring and Smartwatch Against Medical-Grade Actigraphy in Everyday Settings: Instrument Validation Study

Sleep Tracking of a Commercially Available Smart Ring and Smartwatch Against Medical-Grade Actigraphy in Everyday Settings: Instrument Validation Study

Milad Asgari Mehrabadi   1 , BSc, MSc ;   Iman Azimi   2 , PhD ;   Fatemeh Sarhaddi   2 , BSc, MSc ;   Anna Axelin   3, 4 , PhD ;   Hannakaisa Niela-Vilén   3 , PhD ;   Saana Myllyntausta   5, 6, 7 , PhD ;   Sari Stenholm   5, 7 , PhD ;   Nikil Dutt   1, 8 , PhD ;   Pasi Liljeberg   2 , PhD ;   Amir M Rahmani   1, 8, 9 , PhD, MBA

1 Department of Electrical Engineering and Computer Science, University of California Irvine, Irvine, CA, United States

2 Department of Computing, University of Turku, Turku, Finland

3 Department of Nursing Science, University of Turku, Turku, Finland

4 Department of Obstetrics and Gynaecology, Turku University Hospital, Turku, Finland

5 Department of Public Health, University of Turku and Turku University Hospital, Turku, Finland

6 School of Educational Sciences and Psychology, University of Eastern Finland, Joensuu, Kuopio, Finland

7 Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland

8 Department of Computer Science, University of California Irvine, Irvine, CA, United States

9 School of Nursing, University of California Irvine, Irvine, CA, United States

Corresponding Author:

  • Milad Asgari Mehrabadi, BSc, MSc
  • Department of Electrical Engineering and Computer Science
  • University of California Irvine
  • Berk Hall, 1st Floor
  • Irvine, CA
  • United States
  • Phone: 1 949 506 8187
  • Email: masgarim@uci.edu