Figure 3.
represents the major disorders that can be caused by external factors. These disorders are developed by the imposed effects of environmental influences on circadian and sleep system.
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.