
Seals only sleep with half their brain when they're out at sea
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

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

1 June 2018
Dreams help us store memories, enabling us to learn. Now a study has revealed that it’s the boring dreams we have during deep sleep that are the most important