Ever wonder who those people are, streaming out of the gym at 6 a.m., all finished with that early-bird Spin class and raring to tackle the day? They're mutants—at least according to a recent article in Science. A variation of the DEC2 gene—known as the insomnia gene—allows some humans to feel refreshed and energetic after just six hours of sleep. Mice with the mutant gene spend an hour-and-a-half longer each day on the running wheel compared to their counterparts. Humans born with the gene just make the rest of us feel bad.
Here's Beyoncé's Exact Workout, Broken Down Step by Step
We now know the secret to that bangin' bod.
Another Day, Another Marijuana Legalization: You Can Now Smoke Pot in Washington, D.C., Too
The nation's capital joins three states where recreational marijuana is legal.