It's easy to assume that working late nights makes you feel down because you're not spending your free time doing as you please. It turns out, that's only part of the issue: working on a screen when it's dark outside also has a depressive effect on your brain.
And WHOOP's principal scientist, Kristen Holmes, says economies are nowhere near rectifying this problem and the health fallout because of it—meaning ripple effects on productivity and work satisfaction are likely to continue.
