Figure 1.
Change in Parasympathetic Nervous System Activity in each Group after 14 Days.
Note: The circadian index is depicted for all four groups in absolute numbers from Baseline to Day 14.
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.