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.
Evolution of objective stress over time in different ambiences on a scale in which 0–25 = resting state, 26–50 = low stress, 51–75 = medium stress, 76–100 = high stress. Solid lines show averages and shaded areas show standard deviations. Data from the subgroup of participants (n = 32).
