Health
Peppermints improve alertness when sick with a cold, study suggests
Eating peppermints can increase alertness in people who are ill with the common cold, according to new research by Cardiff University scientists.
Oct 14, 2025
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Alertness
Psychology & Psychiatry
Study reveals the importance of new overtime restrictions on physician's mental health in Japan
Physicians are a vital component of the health care landscape and along with other medical professionals, they ensure timely diagnosis, treatment, and management of complex illnesses. They regularly work extended and overnight ...
Nov 4, 2024
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Sleep disorders
Study shows college students have less empathy when they are less alert
A new study to be presented at the SLEEP 2024 annual meeting, held in Houston, Texas, June 1–5, found robust evidence that implicates lower alertness, a key outcome of insufficient sleep, as a predictor of muted empathic ...
Jun 3, 2024
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Medical research
Testing the factors that make people feel more awake and alert during mornings and afternoons
A team of researchers affiliated with multiple institutions in the U.S. and the U.K. has isolated factors that they believe have an impact on how awake and/or alert people feel during the day. In their paper published in ...
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 ...
Nov 29, 2019
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Health
Algorithm provides customized caffeine strategy for alertness
A web-based caffeine optimization tool successfully designs effective strategies to maximize alertness while avoiding excessive caffeine consumption, according to preliminary results from a new study.
Jun 7, 2019
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Health
New algorithm determines ideal caffeine dosage and timing for alertness
According to a recent study, a newly developed algorithm may be the key to optimizing alertness with caffeine.
Jun 4, 2018
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Neuroscience
Novel technology ties brain circuits to alertness
Stanford University investigators have for the first time tied several brain circuits to alertness.
Nov 2, 2017
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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.
Aug 9, 2016
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Health
Italian adolescents wrongly believe energy drinks are comparable to soda and sports drinks
Energy drinks (EDs) are marketed as having the ability to improve energy, alertness, concentration, and athletic performance. These beverages have become increasingly popular among teenagers and young adults over recent years, ...
Apr 8, 2014
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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)
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