This review appraises the process of development and the measurement properties of the
Pittsburgh sleep quality index (PSQI), gauging its potential as a screening tool for sleep …

Background One in two older adults report sleep problems, which not only cause fatigue, but
also negatively affect general functioning, activities of daily living, and physical and mental …

The aim of the present study was to examine the role of perceived social support pertaining
to a range of psychological health outcomes amongst individuals undergoing social …

Background The aim of this study was to understand the changes in psychological factors
and sleep status of front-line medical staff in the fight against COVID-19 and provide …

Good sleep is essential to good health. Yet for most of its history, sleep medicine has
focused on the definition, identification, and treatment of sleep problems. Sleep health is a …

Objectives This study aimed to evaluate the association between sleep quality and quality of
life (QoL). Methods This cross-sectional study included 225,541 adults (101,133 men …

Abstract Purpose The Pittsburgh Sleep Quality Index (PSQI) is a self-reported questionnaire
that measures sleep quality during the previous month. The aims of this study were to …

INTRODUCTION: The Pittsburgh Sleep Quality Index (PSQI) is a questionnaire that
assesses sleep quality and disturbances over a 1-month period. It is a valuable tool for …

The aim of this study is to validate the Italian version of the Pittsburgh Sleep Quality Index
(PSQI), comparing five different groups of individuals (healthy young and elderly, sleep …

Objective: Psychometric evaluation of the Pittsburgh Sleep Quality Index (PSQI) for primary
insomnia. Methods: The study sample consisted of 80 patients with primary insomnia (DSM …