Health

Innovative approach to lighting set to improve sleep quality

New Australian research by the Cooperative Research Centre for Alertness, Safety and Productivity (Alertness CRC) reveals blue light may be even more important than previously thought. The work points to the amount of blue ...

Health

Light and caffeine improve driver alertness

Bright light combined with caffeine can improve driving performance and alertness of chronically sleep deprived young drivers, according to a QUT road safety study.

Health

Blue light may fight fatigue around the clock

Researchers from Brigham and Women's Hospital (BWH) have found that exposure to short wavelength, or blue light, during the biological day directly and immediately improves alertness and performance. These findings are published ...

Sleep apnea

CPAP therapy provides beauty sleep for people with sleep apnea

A new study suggests that people with obstructive sleep apnea (OSA) are perceived to appear more alert, more youthful and more attractive after at least two months of continuous positive airway pressure (CPAP) therapy.

page 1 from 4

Alertness is the state of paying close and continuous attention, being watchful and prompt to meet danger or emergency, or being quick to perceive and act. It is related to psychology as well as to physiology. A lack of alertness is a symptom of a number of conditions, including narcolepsy, attention deficit disorder, chronic fatigue syndrome, depression, Addison's disease, or sleep deprivation. The word is formed from "alert", which comes from the Italian "all'erta" (on the watch, literally, on the height; 1618)

This text uses material from Wikipedia licensed under CC BY-SA