actigraphy
n.— «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.» —“Heart Disease Associated With Lack of Sleep” by Lynn Shapiro DOTmed.com Dec. 29, 2008. (source: Double-Tongued Dictionary)
Further reading
Samantha from Charleston, South Carolina, says her mother and grandmother are of Italian heritage, and have always advised keeping one’s neck warm as a precaution against the mal aria. That sort of consigli della nonna, or...
A French idiom that means “to sleep in” or “lie around lazily in bed after waking” is faire la grasse matinée, literally to “make the fat morning.” If you fall in love easily, you’re said to have un coeur...