![Scientists Detect ‘Hallmark of Dreaming’ in the Brain](https://eng-archive.aawsat.com/wp-content/uploads/2017/04/4961.jpg)
Media ID: 55371404
Caption:
Caption:
Coloured sagittal MRI scans of the human brain. Changes in brain activity offer clues to what the dream is about. Photograph: Simon Frazer/SPL/Getty Images
![Scientists Detect ‘Hallmark of Dreaming’ in the Brain](https://eng-archive.aawsat.com/wp-content/uploads/2017/04/4961.jpg)
Coloured sagittal MRI scans of the human brain. Changes in brain activity offer clues to what the dream is about. Photograph: Simon Frazer/SPL/Getty Images