Who needs sleep?

Those who know me well know that I am a part-time insomniac. At times I can go days without sleeping before I finally burn and crash. Many of the posts I have written were done in the middle of the night and saved to post later. Don't ask me which ones' because I probably won't remember. Now I may be able to tell you why:

A Connection Between Sleep and Alzheimer's?

You shouldn't stay up all night worrying about it, but a new study has found a connection between a lack of sleep and a biomolecule thought to be important in the development of Alzheimer's disease.

In both humans and mice, levels of a peptide called amyloid-β rise during waking hours and decline during sleep, researchers have found. They also report that sleep-deprived mice are more prone to developing deposits of amyloid-β, called plaques, like those found in the brains of Alzheimer's patients. Although far from proven, the finding suggests that sleep disorders could be a risk factor for Alzheimer's. On a brighter note, it also hints at new avenues of treatment.

Many lines of evidence suggest that the naturally occurring amyloid-β builds up in the brain over many years in people who develop Alzheimer's disease, beginning long before people show signs of memory loss. But very little is known about what factors might influence levels of the peptide in the brain, says David Holtzman, a neurologist at Washington University in St. Louis in Missouri.

Please remind me if I forget to post this diary... 
And enjoy this barenaked lady I found in the bathroom in the middle of the night: