Abstract Study Objectives: To investigate and explain sex differences in subjective and
actigraphic sleep parameters in community-dwelling elderly persons. Design: Cross …

Sleep duration is an important concept in epidemiological studies. It characterizes a night's
sleep or a person's sleep pattern, and is associated with numerous health outcomes. In most …

Although insomnia is a major public health problem in the elderly, little information
concerning the relation between subjective reports of sleep and laboratory measures in the …

Background. This epidemiologic study cross-sectionally examined the effects of sex and age
on subjective characteristics of sleep and the factors related to self-evaluated sleep quality …

Objectives. Illustrate the importance of examining within-and between-person differences in
sleep across the adult age span. Method. Two weeks of sleep diary data were analyzed for …

Study Objectives: The sleep patterns of humans are greatly influenced by age and sex and
have various effects on overall health as they change continuously during the lifespan. We …

The deterioration of nocturnal sleep and increase in daytime napping that accompany aging
may represent changes in homeostatic or circadian aspects of sleep regulation. We …

OBJECTIVE: The sleep of a large group of healthy older men and women was studied in an
effort to better understand the relationship between self-reported subjective and objectively …

Objectives. The relationship of sleep to health has been an active area of research in recent
years, and the National Social Life, Health, and Aging Project (NSHAP) expanded sleep …

Abstract Study Objectives Research indicates that sleep efficiency below 80% substantially
increases mortality risk in elderly persons. The aim of this study was to identify factors that …