How important is sleep?

[ELI Products]

Does sleep really cause you dark circles is that just a myth? If it is true then what is the science behind it?

 

[shellygrrl]

Lack of sleep can cause dark circles. But it can also be genetic. Or it can happen from other things. http://www.mayoclinic.com/health/dark-circles-under-eyes/MY00346/DSECTION=causes