Non-Invasive Analysis of Physiological Signals
MAJD ALWAN, DAVID MACK, STEVE KELL, BEVERELY TURNER, MATT WOLFE, ROBIN FELDER, TOM SKALAK  - May, 2007

Medical Automation Research Center

There is, however, a great need for research in this area because of the number of people affected by sleep related conditions who could benefit from knowing more about their sleep habits. About 40% of all American adults suffer from some kind of sleep disorder while about 70 million Americans are chronically sleep deprived.1 Many feel this is an unimportant area of concern since 70% sleep sufferers don’t discuss the problem with their physician.2 However, these people are only hurting themselves by not seeking help in this area. Objective sleep research has existed since 1922 when Szymansky ran the first such study.3 Many developments have been made since that time, though traditional sleep monitoring methods remain expensive.

Read the full document.