Don’t sleep on this nutrient. If you’re not getting enough sleep, you could be missing out on some vital dietary staples. But you shouldn’t only aim for more sleep, but quality, deep sleep as well.

Here’s how it works. First, place the tip of your tongue against your two upper front teeth, and keep it there. (The goal is to inhale and exhale around your tongue.) Then: While inhaling and exhaling ...

While inhaling and exhaling deeply—and worse yet, holding your breath in between—sounds like it will make you less sleepy, that pattern activates your parasympathetic nervous system and helps switch ...