It's sleep awareness week and we are trying to, well, be more aware of our sleep.
Sleep is a fascinating topic in large part because we know that we will die without it but don't really understand why. Why we sleep is a perpetuating question in neuroscience along with what our brain is doing while we sleep.
A new study from the Department of Evolutionary Anthropology at Duke University asked the question, how much do humans sleep when compared with other non-human primates?
The study looked at the amount of time that different primates spend sleeping. In doing so, they found that primates vary widely in their sleep durations. (See the figure below.) Most species sleep somewhere between nine and 15 hours a day, with humans averaging around seven. Remarkably, of...