When dolphins sleep, only one hemisphere of their brain rests, while the other half remains on alert. This ability to switch the brain hemispheres to sleep is known as unihemispheric sleep and, as scientists from the National Marine Mammal Foundation of the United States have just demonstrated in a study published in the journal PLOS One, it allows them to remain fully active and retain their fullness. faculties for at least 15 consecutive days.
The brain is really amazing. Hundreds of researchers work around this organ to try to unravel its functioning and thus cope with, for example, neurodegenerative diseases such as Alzheimer's or Parkinson's. One of the latest research carried out at UCLA, the University of California, has discovered that, while we sleep, our brain behaves as if it were remembering something.
According to a study recently collected by the American Psychological Association magazine, before the invention of the television, that is, before 1915, most of the subjects claimed to dream in color. However, as of this date, respondents began to remember their greyscale dreams.
A study by scientists at Brigham and Women's Hospital (BWH) in Boston reveals that lack of sleep slows us down, even if we don't feel physically tired. Specifically, according to the neuroscientist Jeanne F. Duffy and her colleagues in the magazine 'The Journal of Vision', sleeping only between five and six hours each night can negatively affect the performance of complex visual tasks involved in jobs such as air traffic control.
People who wake up naturally when the sun rises and wake up even before having coffee each morning are happier and more satisfied with their lives, according to a recent University of Toronto study based on more than 700 adults .
Researchers from Toronto (Canada) have shown that one of the factors that contributes to the high number of insomniacs in today's society is that many adults are afraid of the dark, although they do not admit it. In their research with insomniacs and people who slept soundly, Taryn Moss and her colleagues at Ryerson University found that when an unexpected sound occurred, insomniacs tended to detect and react earlier with the light off than with the light on.
The more hours a person works, the fewer hours they dedicate to rest, according to a study from the University of Pennsylvania published in the journal Sleep. According to the results, people who sleep 4 hours less than the average work 93 minutes more on weekdays and about 2 hours more on weekends.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
