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 …

An appropriate sleep environment is critical to achieve adequate quality and quantity of
sleep. General sleep hygiene recommendations suggest that individuals should maintain a …

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 …

This study dealt with the effects of environmental factors on thermal comfort and sleep
quality. Based on orthogonal experimental design method, chamber experiments were …

Artificial light at night can disrupt sleep in humans [1–4] and other animals [5–10]. A key
mechanism for light to affect sleep is via non-visual photoreceptors that are most sensitive to …

Exposure to light at night (LAN) is associated with insomnia in humans. Light provides the
main input to the master clock in the hypothalamic suprachiasmatic nucleus (SCN) that …

Light pollution is a global environmental issue that affects photosensitive organisms. For
instance, several researchers have recognized melatonin suppression in humans as a direct …

Light is an essential part of many life forms. The natural light–dark cycle has been the
dominant stimulus for circadian rhythms throughout human evolution. Artificial light has …

Names: Douglas, Ian, 1936–editor.| Routledge (Firm) Title: The Routledge handbook of
urban ecology/edited by Ian Douglas, Pippin Anderson, David Goode, Michael C. Houck …

Light pollution is one of the most serious public problems, especially the night light.
However, the effect of dim blue light at night (dLAN-BL) on cognitive function is unclear. In …