Figure 3.
Mean ± standard error of the mean adjusted melatonin suppression for the three lighting conditions.
Note: Melatonin suppression significantly greater than zero (*P < 0.05 or **P < 0.01).
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.