circadiana commentary(Non) Adaptive Function of Sleep
Here is a nice article in Washington Post - Ecological Niche May Dictate Sleep Habits - about the adaptive function of sleep.
It addresses some of the themes I am interested in.
First, the unfortunate fact is that sleep was initially defined by researchers of humans, i.e., medical researchers. Inevitably, the (electrophysiological) definition of sleep was thus saddled with unneccessary anthropocentric elements that for decades hampered the study of evolution of sleep.
Read the rest here.