I can’t sleep when it’s hot out. I just lie there, wide awake and growing increasingly irritated by any bird, bug, car, or human that makes even the slightest noise. When morning finally rolls around, I’m grouchy, sweaty, and covered in a bizzarro maze of pillow lines from my wadded-up sheets. The pillow lines are sweaty, too.
Well, science has some bad news for me: climate change could mean more nights of crappy sleep in the future. Increasing temperatures make it harder for people’s bodies to cool down — a prerequisite for a good night’s sleep. And more unusually warm nights in the years to come could make for a nation of grumpy, unwell people — particularly in the...
