Sleep trivia: Does the brain volume become smaller during sleep?

Sleep makes the brain smaller? This is true! Researchers from the Sleep Awareness Center at the University of…

Sleep makes the brain smaller? This is true!


Researchers from the Sleep Awareness Center at the University of Wisconsin-Madison found that when the human body sleeps, the size of brain synapses (the parts where neurons are functionally connected) shrinks by nearly 20%!

Does this mean that people are also stupid?

Sleep trivia: Does the brain volume become smaller during sleep?
Sleep trivia: Does the brain volume become smaller during sleep?

Don’t worry, during this time, the synapses are resting and replenishing energy.

With the arrival of a new day, the brain receives new information, and the synapses will gradually grow larger. This “reset function” of the brain is very important!

Otherwise, the synapses will always be in working condition, and there is a danger of being “collapsed” by overwork.

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