It is 2:50 p.m. You have read the same paragraph three times. The cursor blinks, your eyelids feel weighted, and a vending-machine snack suddenly sounds like a life plan. You had a decent night's slee...

You slept eight hours. You know because you checked the clock at 11 and the alarm went off at 7. And yet here you are at your desk, three coffees deep, feeling like you got hit by a bus. If that sound...
