Depressive syndromes are frequent and heterogeneous brain conditions with more than
90% of patients suffering from sleep complaints. Better characterizing this “sleep” domain …

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 …

Introduction Despite the growing number of different therapeutic options, treatment of
depression is still a challenge. A broader perspective reveals the benefits of bright light …

Objectives To determine the efficacy and safety of blue-light therapy in seasonal and non-
seasonal major depressive disorder (MDD), by comparison to active and inactive control …

In relation to human health and functioning, light, or more specifically optical radiation, plays
many roles, beyond allowing vision. These may be summarized as: regulation of circadian …

Long-term recording of a person's activity (actimetry or actigraphy) using devices typically
worn on the wrist is increasingly applied in sleep/wake, chronobiological, and clinical …

Background Triple chronotherapy (wake night [one night without sleep], sleep phase
advance, and early morning bright light exposure) demonstrated rapid efficacy primarily in …

Background'Blue‐light filtering', or'blue‐light blocking', spectacle lenses filter ultraviolet
radiation and varying portions of short‐wavelength visible light from reaching the eye …

Background: Total sleep deprivation (TSD) combined with bright light therapy (BLT) has
been suggested as a valuable add-on to standard treatment for rapid relief of depression …

The aim of the study was to investigate whether visual stimuli have the same potency to
increase electroencephalography (EEG) delta wave power density during non-rapid eye …