Editor’s note: Article updated on January 8, 2024. Anxiety or insomnia keeping you up at night? Same. Sometimes we just can’t fall asleep, no matter how hard we try. We’ve tried all the tricks — ...

You’ve probably seen them pop up in podcasts or perched beside yoga mats on Instagram: grounding mats, or earthing mats, are marketed as a shortcut to reconnecting with nature in a world ruled by ...