28 June 2023
By looking at electrical signals octopuses produce in their brain while asleep and awake, researchers have gathered some of the best evidence yet that the cephalopods dream
25 August 2022
In mice, jerky eye movements in the REM phase of sleep correlate with recordings of brain activity in cells that track head orientation
24 February 2022
Brain cells that promote wakefulness fire too much in older mice, which may explain why many people find it harder to sleep as we get older
4 November 2020
A new explanation for dreaming suggests it does something far more profound than reinforcing learning as we sleep. It might even explain our love of stories
18 September 2020
Sleep in babies seems to mainly help develop new brain connections, but at the age of around two-and-a-half there is an abrupt shift to brain repair
23 January 2019
Want to defy ageing and keep your mind sharp? From the right diet to your dental hygiene and social life, here are the best ways to keep your brain fighting fit
7 June 2018
Northern fur seals mostly sleep with half their brain while they’re at sea, but sleep with all their brain while on land – unlike any other animal studied
28 July 2017
One of the largest ever studies of the causes of nightmares has found that they are linked to worrying before bedtime, and sleeping for more than 9 hours
23 May 2017
Sleep loss in mice sends the brain’s immune cells into overdrive. This might be helpful in the short term, but could increase the risk of dementia in the long run
