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Why do you have so new: This article explores the topic in depth.
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Why do you have so:
Researchers have discovered a specific scheme of the brain to get out of sleep. Moreover, varying depending on the type of sleep. Nevertheless, This research helps to understand why it may seem so difficult to emerge at the time of awakening.
Researchers from the Dutch institute of neuroscience. In addition, the University of Lausanne discovered that the brain had a pattern specific to get out of sleep. Meanwhile, They described it in a study published on July 16, 2025 in the journal Current Biology. Similarly, This new model could help and improve research regarding sleep disorders.
To study this phenomenon. Nevertheless. For example. For example, the researchers posed 256 electrodes on the head of around twenty participants and analyzed, in total, the cerebral electrical why do you have so new activity in more than 1,000 sleeping of sleep on awakening.
Wake up waves – Why do you have so new
The results why do you have so new reveal a why do you have so pattern. In addition, a scheme that reproduces each new awakening. In addition, This diagram differs depending on the type of sleep (deep or paradoxical) in which we are. Meanwhile, A characteristic remains constant. however, the sleep wave starts from the front of the brain (central and frontal areas) and spreads backwards.
Aurélie Stephan. Moreover. Meanwhile, first author of the article. details the results in a press release: “This progression probably reflects the way in which the signals of the subcortical excitation centers (deeper in the brain) reach the cortex, with shorter paths towards frontal zones and longer paths towards the more backward regions. »»
Differences depending on the type of sleep
Sleep why do you have so new is made up of different phases. Among other things. that of paradoxical sleep (called REM. associated with dreams) and that of deep sleep, designated as non-paradoxical (or non-rem) sleep, in the study. why do you have so new The researchers distinguished two different patterns why do you have so depending on. the type of sleep from which. the participants worsened.
In the case of non -paradoxical sleep. Additionally, the awakening started with progressive slow electric waves which, then, continued with rapid electric waves. “In non -paradoxical sleep. neurons that connect the cortex excitement centers alternate between the states of activity. silence – a dynamic known as ‘bisability’. Due to this bisability. any exciting stimulus first triggers a slow wave, before moving on to a faster activity ”details Aurélie Stephan.
And to simplify anything, there are different types of slow waves during non -paradoxical sleep. Some of them are intended to be awakening signals and therefore of excitement, while others help keep us asleep. These waves can be present before. after waking up, and These are they explain why we can be sleepy at the start of the day.
The author continues: “On the other hand. paradoxical sleep does not have this bistable model, so that the cortex why do you have so new reacts immediately to rapid activity, similar to alarm. »» In the REM sleep phase. the brain therefore directly emits rapid electric waves, without going through the stadium of slow waves. The brain then wakes up faster, but leaves the person with a feeling of drowsiness.
“This study offers a why why do you have so new do you have so new perspective on the. course of the brain from sleep. to awakening. offering a window on one of the most fundamental transitions of human consciousness”concludes the researcher. She hopes her research will allow advances for people with sleep disorders.
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