For almost all of human history, food has been a scarce resource, and periods of fasting—even long ones—were fairly common. For many of us today, however, our next meal is no farther away than the kitchen pantry. Overconsumption of food, not underconsumption, is more likely to be our biggest health threat.

For optimal health and the longest life span, is more sleep always better? Surprisingly, probably not—but it’s complicated.

Comfort is a vital part of good sleep hygiene, which means having the right lighting, the right temperature, the right mattress—and the right pillow. There are so many pillows to choose from, with dozens of different material and style combinations available. Here’s a quick guide to finding one that’s right for you.

Since many people are looking for ways to stay healthy during the COVID-19 crisis, it’s a good time to highlight one of the most critical factors in supporting your immune system: healthy, adequate sleep.