Ample evidence suggests that sleep and pain are related. However, many questions remain
about the direction of causality in their association, as well as mechanisms that may account …

Epidemiological, cross-sectional, and prospective studies suggest that insomnia, chronic
pain, and depression frequently co-occur and are mutually interacting conditions. However …

Sleep problems and pain are major public health concerns, but the nature of the association
between the 2 conditions is inadequately studied. The aim of this study was to determine …

Objectives: A relationship between sleep and pain is well established. A better
understanding of the mechanisms that link sleep and pain intensity is urgently needed to …

This systematic review and meta-analysis aimed at evaluating the role of sleep disturbances
and sleep disorders in influencing presence and intensity of chronic postsurgical pain …

Abstract The Pittsburgh Sleep Quality Index (PSQI) is a widely used measure of sleep quality
in adolescents, but information regarding its psychometric strengths and weaknesses in this …

Background Poor sleep quality among people with chronic low back pain appears to be
related to worse pain, affect, poor physical function, and pain catastrophizing. The causal …

Background There is strong evidence indicating an interaction between sleep and pain.
However, the size of this effect, as well as the clinical relevance, is unclear. Therefore, this …

Objective The objective of this review is to answer three questions: 1) How are chronic pain
severity and pain duration affected in patients with chronic pain and sleep disturbances that …

Study objective: The temporal relationships among sleep, depressive symptoms, and pain
are unclear. This longitudinal study examines whether insomnia and sleep duration predict …