Hit Snooze: Did you know a good night’s sleep can help your brain change and reorganise itself?

The findings could pave the way for new ways to help people with learning and memory disorders.

We know that a good night’s sleep is key for a healthy brain. A recent study revealed how sleep contributes to brain plasticity - the ability for our brain to change and reorganise itself. The findings could pave the way for new ways to help people with learning and memory disorders.

Researchers at the Humboldt and Charite Universities in Berlin, led by Dr Julie Seibt from the University of Surrey, used cutting edge techniques to record activity in a particular region of brain cells that is responsible for holding new information - the dendrites.

The study found that activity in dendrites increases when we sleep, and that this increase is linked to specific brain waves that are seen to be key to how we form memories. Dr Julie Seibt, Lecturer in Sleep and Plasticity at the University of Surrey and lead author of the study, said: “Our brains are amazing and fascinating organs - they have the ability to change and adapt based on our experiences. It is becoming increasingly clear that sleep plays an important role in these adaptive changes. Our study tells us that a large proportion of these changes may occur during very short and repetitive brain waves called spindles.

“In the near future, techniques that allow brain stimulation, such as transcranial magnetic stimulation (TMS), could be used to stimulate dendrites with the same frequency range as spindles. This could lead to enhance cognitive functions in patients with learning and memory disorders, such as dementia.”

The findings have been published in Nature Communications.

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