In contrast to newborns, who spend 16–20 h in sleep each day, adults need only about
sleep daily. However, many elderly may struggle to obtain those 8 h in one block. In addition …

Objective To systematically review studies and explore the association between loneliness
and sleep quality among older adults. Methods A comprehensive literature search was …

Background Depressive symptoms and cognitive impairment are common psychiatric
conditions and often co-occur in older adults. Network analysis has been widely used in …

Abstract Background/Objective: Sleep insufficiency, which affects more than 45% of the
world's population, has a great importance when considering older adults. Thus, this …

Background Deterioration of cognitive function has a significant impact on the unavoidable
burden on individuals, families, and society. This study aimed to examine the serial multiple …

Background: Both sleep quality and depression could affect cognitive performance in older
adults. Previous studies have suggested that there are bi-directional relationships between …

This study examined whether and to what extent sleep disturbance mediates the effects of
depressive symptoms on the cognition of individuals with mild cognitive impairment (MCI) …

Background: There are few studies on the epidemiology of depression, insomnia, and their
association with quality of life (QOL) in older adults living in rural China. This study …

Introduction: It is widely accepted that major depressive disorder (MDD) is associated with
impairments in several cognitive domains in inpatients, but cognitive functioning has barely …

Perioperative sleep disturbances are commonly observed before, during, and after surgery
and can be caused by several factors, such as preoperative negative moods, general …