The daily alternation between sleep and wakefulness is one of the most dominant features
of our lives and is a manifestation of the intrinsic 24 h rhythmicity underlying almost every …

Daylight is ubiquitous and is crucial for mammalian vision as well as for non-visual input to
the brain via the intrinsically photosensitive retinal ganglion cells (ipRGCs) that express the …

Background Evidence of an association between sleep duration and depression was
inconsistent. Methods Adults who participated in the National Health and Nutrition …

Daylight stems solely from direct, scattered and reflected sunlight, and undergoes dynamic
changes in irradiance and spectral power composition due to latitude, time of day, time of …

Sleep, circadian rhythms, and mental health are reciprocally interlinked. Disruption to the
quality, continuity, and timing of sleep can precipitate or exacerbate psychiatric symptoms in …

Objectives: Identify the etiology of sleep disorders. Describe the evaluation of sleep
disorders. Explain the management options available for sleep disorders. Summarize an …

Sleep is a fundamental human need supporting the proper functioning of mind and body. 1–
7 Being able to measure and accurately quantify sleep is critical to characterize the sleep …

This editorial aims to highlight the complex interplay among sleep, mental health, and
chronic disease, emphasizing the critical role that sleep plays in health outcomes and …

White light-emitting diodes (LEDs) will likely become the most used lighting devices
worldwide in the future because of their very low prices over the course of their long …

Background Sleep disturbances in older adults with dementia are common. Light therapy
may help in regulating their sleep or wake cycle. However, data in the literature on the …