«Every single high school student I have ever measured in
terms of their alertness is a walking zombie,» says Cornell sleep expert James Maas.
Not exact matches
Out
of the lab and into the bathroom: evening short -
term exposure to conventional light suppresses melatonin and increases
alertness perception.
«And I am telling you that in
terms of agility, preparation, physical fitness,
alertness and training objectives, I think we are gradually getting there.
Caffeine present in colas and lots
of other carbonated drinks may have a positive impact on your
alertness, however in the long -
term.
Short -
term treatment (up to three months)
of prolonged - release melatonin was found to be effective and safe in improving sleep latency, sleep quality, and daytime
alertness.
These reductions in
alertness and performance were relatively minor in
terms of percentage
of the baseline values; in the performance
of difficult tasks (e.g., driving a car or flying an airplane), however, even such minor impairments might have significant consequences.
Because
of their relatively smaller brains, dogs are generally less perceptive
of their environment (in
terms of their senses
of hearing, vision, and smell, for example), and have a lower state
of alertness.
John Walsh, then director
of the J. Paul Getty Museum in Malibu, Calif., described Ms. Tucker in especially apt
terms in a 1993 article in The New York Times: «There's always been a social conscience in Marcia that's impatient and results in a kind
of alertness you can just read across her forehead like a Jenny Holzer sign.»
In
terms of studies regarding behavioral problems, one extensive meta - analysis
of the relationship between sleep deprivation and cognition in school - aged children found a significant increase in behavioral problems in children with shorter sleep duration.25) Additionally, sleep deprivation resulted in a significant increment in
alertness and emotional reactivity in children, which led to delinquency, long -
term emotional and behavioral difficulties.26 — 28) Consistent with such findings, sleep deprived subjects were more alert to negative stimuli, 29) and more susceptible to exaggerated aggressive impulses.30) Emotional lability and impulsivity were all strongly correlated with sleep deprivation, 31) with the severity
of emotional dysregulation worsening as a function
of the degree
of sleep restriction.32)