Figure 6. Salivary melatonin during pre-light, 2-h light (grey bar) at 6500K, 2500K and 3000K, and post-light.
* p<0.05.
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.