Night Moves: Reckoning with the Science of Sleeplessness

It’s 3:28 a.m., and for the past three, maybe four hours, I’ve been trying to fall asleep. To get the seven or eight hours that sleep experts recommend for adults, I’ve followed almost all their tips. I blocked all the light in my bedroom. I turned off my phone, reluctantly, and dialled down the radiator to help lower my body temperature. And yet, night after night, I chase the most elusive of human necessities: a good night’s sleep. It comforts (but it doesn’t