Outlive: The Science and Art of Longevity: The Million-Copy Bestseller

by Peter Attia

Don’t drink any alcohol, period—and if you absolutely, positively must, limit yourself to one drink before about 6 p.m. Alcohol probably impairs sleep quality more than any other factor we can control. Don’t confuse the drowsiness it produces with quality sleep. Don’t eat anything less than three hours before bedtime—and ideally longer. It’s best to go to bed with just a little bit of hunger (although being ravenous can be distracting.) Abstain from stimulating electronics, beginning two hours before bed. Try to avoid anything involving a screen if you’re having trouble falling asleep. If you must, use a setting that reduces the blue light from your screen. For at least one hour before bed, if not more, avoid doing anything that is anxiety-producing or stimulating, such as reading work email or, God help you, checking social media. These get the ruminative, worry-prone areas of our brain humming, which is not what you want. For folks who have access, spend time in a sauna or hot tub prior to bed. Once you get into the cool bed, your lowering body temperature will signal to your brain that it’s time to sleep. (A hot bath or shower works too.) The room should be cool, ideally in the midsixties. The bed should be cool too. Use a “cool” mattress or one of the many bed-cooling devices out there. These are also great tools for couples who prefer different temperatures at night, since both sides of the mattress can be controlled individually. Darken the room completely. Make it d...