Why is it that come mid-afternoon, we suddenly feel an overwhelming urge to nod off at our desks? Blame science, not the double espresso you pounded this morning. According to the National Sleep Foundation, our bodies are programmed to crave sleep most at two times daily: from 2 a.m. to 4 a.m., which makes sense, and from 1 p.m. to 3 p.m., which is, erm, less convenient. But while more and more offices are introducing nap rooms these days, duty still calls—which is why we’re so happy these energizing beauty products exist. Keep scrolling to see the sprays, oils, and hand creams to stash at your desk for an instant pick-me-up.