Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Nocturnal sleep duration (A) and total daily sleep duration (B) of participants in the 2020 group who had work days (N = 57) or only free days (N = 23). Paired t-tests for comparisons of work and free days, and unpaired t-tests for comparisons of average sleep across all days in those with work and free days (’all’) and those with only free days (’all free’). **** p < .0001.
