Humans live in a 24-hour environment, in which light and darkness follow a diurnal pattern.
Our circadian pacemaker, the suprachiasmatic nuclei (SCN) in the hypothalamus, is …

Light is necessary for life, and artificial light improves visual performance and safety, but
there is an increasing concern of the potential health and environmental impacts of light …

Ocular light exposure has important influences on human health and well-being through
modulation of circadian rhythms and sleep, as well as neuroendocrine and cognitive …

Light has profoundly influenced the evolution of life on earth. As widely appreciated, light
enables us to generate images of our environment. However, light—through intrinsically …

It has frequently been reported that exposure to artificial light at night (ALAN) may cause
negative health effects, such as breast cancer, circadian phase disruption and sleep …

Background The few studies that have investigated the relationship between mobile phone
use and sleep have mainly been conducted among children and adolescents. In adults, very …

Objectives To characterise the sleep of elite athletes and to identify factors associated with
training and competition that negatively affect sleep. Design Prognosis systematic review …

Artificial lighting is omnipresent in contemporary society with disruptive consequences for
human sleep and circadian rhythms because of overexposure to light, particularly in the …

Smartphones deliver light to users through Light Emitting Diode (LED) displays. Blue light is
the most potent wavelength for sleep and mood. This study investigated the immediate …

Introduction: Blue light from electronic devices has a bad reputation. It has a wavelength
which may influence our circadian rhythm and cause bad sleep. But there are other aspects …