LifeEven jellyfish get sluggish if they don’t have enough sleep Jellyfish show all the signs of going to sleep, even though they do not have brains – which were thought to be an essential requirement for slumber News
HumansThe brain starts to eat itself after chronic sleep deprivation 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 News