According to a new study cited at Psych Central, insomnia also can reduce the size of your cerebral cortex, increase the amount of cellular inflammatory signaling in your body and  and encourage...wait, I had that phrase on the tip of my tongue...oh, memory loss.

This study was conducted in the Netherlands by Ellemarije Altena and Ysbrand van der Werf from the research group of Eus van Someren.