Nocturnal birds, such as owls, are awake at night. But at some point, all birds need to sleep. How do they do it? Not all ...

Someone asked me what they were doing, and I said they were resting or sleeping but I'd never thought much deeper about how birds sleep. Now, after reading Roger Pasquier's new and highly original ...

Using EEG to take a closer look at the birds’ sleep, Brawn and his colleagues documented a similar pattern to humans, with slow-wave sleep becoming less frequent as rapid-eye movement (REM) becomes ...

Night owls, for instance, generally feel tired later than early birds. Often because they produce high amounts of the sleep hormone, melatonin, later at night. And for most of human history that ...