Changes in sleep phase and body weight of mobile health App users during COVID-19 mild lockdown in Japan.

ABSTRACT:

Objective and method

The stay-at-home order during the COVID-19 pandemic has restricted individuals' social behaviors, and therefore, effected their lifestyle including sleep, diet, and physical activity. Using the cross-sectional study design with a large sample size (N = 30,275) from the mobile health App users in Japan, we show age-dependent lifestyle changes during a nonpunitive "mild lockdown" (from April to May 2020).

Results

Sleep onset and offset were delayed on work-days but not on free-days with increased sleep duration and decreased social jetlag, and the changes were more evident in the younger population. Although average weight change was close to none because of the users' characteristic (95% of App users try to lose weight), we investigated an association bet

SUBMITTER: Tahara Y 

PROVIDER: S-EPMC8254445 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature