“…The CESD is a validated measure of depressive symptoms (Radloff 1977;Kohout et al 1993) that is commonly used in the economics literature to study mental health (Falba, Sindelar, and Gallo 2009;Maclean 2013;McInerney, Mellor, and Nicholas 2013;Ayyagari and Shane 2015;Sabia and Rees 2015). Our specific indicator of sleep quality is a single item: "During the past week, my sleep was restless: 1) rarely, none of the time, or one day; 2) some of the time, a little of the time, or 1 to 2 days; 3) occasionally, a moderate amount of the time, or 3 to 4 days; and 4) most of the time, all of the time, or 5 to 7 days."…”