Sleep reactivity is the trait‐like degree to which stress exposure disrupts sleep, resulting in
difficulty falling and staying asleep. Individuals with highly reactive sleep systems …

Background Poor sleep quality is prevalent and is associated with cognitive decline,
impaired health, and reduced quality of life. There is a lack of studies about sleep quality …

Background The prevalence of sleep disturbance is high and increasing. The study
investigated whether active, former and passive smoking were associated with sleep …

Objective To measure the prevalence of insomnia and identify the socio‐economic
correlates of insomnia among older people of Anhui Province of China. Methods A cross …

This study investigated gender differences in the prevalence of sleep disturbance and
related demographic and clinical characteristics, including quality of life (QOL), in Chinese …

PURPOSE This study aimed to determine the prevalence and the socio‐demographic and
clinical correlates of sleep disturbance in first‐episode individuals with schizophrenia in …

Background Data on the prevalence of insomnia symptoms in medical outpatient clinics in
China are lacking. This study examined the prevalence of insomnia symptoms and their …

Objectives The study aimed to evaluate the prevalence of insomnia in patients with first
episode psychosis (FEP) and to explore the relationship between insomnia and socio …

Purpose Insomnia is a common mental disorder with severe consequences. Cognitive-
behavioral therapy for insomnia (CBTI) has been proved effective against insomnia, but …

PURPOSE To examine the prevalence of sleep disturbances (difficulty initiating sleep [DIS],
difficulty maintaining sleep [DMS], and early morning awakening [EMA]), their socio …