While the afternoon slump could be caused by insufficient or poor quality sleep, it’s part of our normal sleep-wake cycle. It’s also tied to the amount of cortisol in our bodies.

It’s 2:15 p.m. You’re trying to stay awake at your desk but find yourself performing the afternoon head-bob dance. Eyes flutter and close, chin drops, head jerks up, and repeat. How do you get ...

While the afternoon slump could be caused by insufficient or poor quality sleep, it's part of our normal sleep-wake cycle. It's also tied to the amount of cortisol in our bodies.

If you’re feeling a twinge of midweek fatigue setting in (along with a thickening brain haze), you’ll be interested to know that a simple bio-hack can make a big difference in alertness.