Well-planned strategies are essential to deep, restorative sleep you can count on, night after night. By learning to avoid common enemies of sleep and trying out a variety of healthy sleep-promoting techniques, you can discover your personal prescription to a good night’s rest. The key, or secret, is to experiment. What works for some might not work as well for others. It’s important to find the sleep strategies that work best for you. The first step to improving the quality of your rest is finding out how much sleep you need. How much sleep is enough? While sleep requirements vary slightly from person to person, most healthy adults need at least eight hours of sleep each night to function at their best. Getting in sync with your body’s natural sleep-wake cycle—your circadian rhythm—is one of the most important strategies for achieving good sleep. If you keep a regular sleep schedule, going to bed and getting up at the same time each day, you will feel much more refreshed and energized than if you sleep the same number of hours at different times. This holds true even if you alter your sleep schedule by only an hour or two. Consistency is vitally important. Set a regular bedtime. Go to bed at the same time every night. Choose a time when you normally feel tired, so that you don’t toss and turn. Try not to break this routine on weekends when it may be tempting to stay up late. If you want to change your bedtime, help your body adjust by making the change in small daily increments, such as 15 minutes earlier or later each day. Wake up at the same time every day. If you’re getting enough sleep, you should wake up naturally without an alarm. If you need an alarm clock to wake up on time, you may need to set an earlier bedtime. As with your bedtime, try to maintain your regular wake-time even on weekends. Nap to make up for lost sleep. If you need to make up for a few lost hours, opt for a daytime nap rather than sleeping late. This strategy allows you to pay off your sleep debt without disturbing your natural sleep-wake rhythm, which often backfires in insomnia and throws you off for days. Be smart about napping. While taking a nap can be a great way to recharge, especially for older adults, it can make insomnia worse. If insomnia is a problem for you, consider eliminating napping. If you must nap, do it in the early afternoon, and limit it to thirty minutes. Fight after-dinner drowsiness. If you find yourself getting sleepy way before your bedtime, get off the couch and do something mildly stimulating to avoid falling asleep, such as washing the dishes, calling a friend, or getting clothes ready for the next day. If you give in to the drowsiness, you may wake up later in the night and have trouble getting back to sleep.