Open Archive Day
If you missed my feature on the science of sleep last summer, here's your wake-up call: It is now in the open archives absolutely free to all. As I remember it, I learned many surprising things about how birds sleep with one half of the brain and even in flight, ducks lined up in a row with the terminal duck keeping one eye open for predators, and such like.
I also came away with the surprising impression that scientists are discovering complex sleep regulation in ever less complex animals, which re-ignites the debate what use it is and what advantage over a simple rest period regulated by the circadian clock. (A crucial difference: The circadian clock wouldn't care how much you slept the previous night, while sleep is budgeted and sleep deprivation can accumulate.)
Anyhow, everything you always wanted to know about the science of sleep is here:
The reasons of sleep
Birds display neural sleep signatures very similar to those of mammals, but also a whole range of behavioural adaptations to accommodate the need for sleep in challenging conditions. (Photo: sipa/Pixabay.)