Since ancient times it is known that melancholia and sleep disturbances co-occur. The
introduction of polysomnography into psychiatric research confirmed a disturbance of sleep …

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 …

Importance and study objective The COVID-19 pandemic has produced unprecedented
changes in social, work, and leisure activities, which all have had major impact on sleep and …

Background An outbreak of the 2019 novel coronavirus (COVID-19) has been ongoing in
China since January 2020. The threat of infection affects the work and life of most of the …

Insomnia disorder affects a large proportion of the population on a situational, recurrent or
chronic basis and is among the most common complaints in medical practice. The disorder …

Insomnia is a prevalent complaint in clinical practice that can present independently or
comorbidly with another medical or psychiatric disorder. In either case, it might need …

A growing body of literature suggests that sleep and emotions are closely linked, and that
the relationship between these two domains is complex and bidirectional. This review …

Office employees spend a lot of time inside buildings, where the physical conditions
influence their well-being and indirectly influence their employers' business performance …

The purpose of this study was to review potential, physiological, hormonal and neuronal
mechanisms that may mediate the sleep changes. This paper investigates the literatures …

Introduction: Despite the high prevalence of insomnia, there is little information about its
incidence and risk factors. This study estimated the incidence of insomnia and examined …