Part of speech: n.
Quotation: They also filled out sleep questionnaires, kept a log of their hours in bed and participated in six nights of sleep studies with a technique called wrist actigraphy that uses a motion sensor—worn like a watch—to estimate actual sleep duration.
Author:
Lynn Shapiro
Article, document, publication, web site:
DOTmed.com Date of publication:
Dec. 29, 2008
This catchword has yet to be researched.