Associations of loneliness and social isolation with actigraph and self-reported sleep quality in a national sample of older adults-V44I1 Associations of loneliness and social isolation with actigraph and self-reported sleep quality in a national sample of older adults-V44I1 Download Sleep problems, internalizing and externalizing symptoms, and domains of health-related quality of life: bidirectional associations from early childhood to early adolescence-V44I1 A multitrait, multimethod matrix approach for a consumer-grade wrist-worn watch measuring sleep duration and continuity-V44I1
