Too many studies to list have shown that people who get enough sleep live longer, healthier lives, but I understand that sometimes this isn't motivation enough. So consider this—not sleeping enough makes you fat. Sleep deprivation compromises your body's ability to metabolize carbohydrates and control food intake. When you sleep less you eat more and have more difficulty burning the calories you consume. Sleep deprivation makes you hungrier by increasing the appetite-stimulating hormone ghrelin and makes it harder for you to get full by reducing levels of the satiety-inducing hormone leptin. People who sleep less than 6 hours a night are 30% more likely to become obese than those who sleep 7 to 9 hours a night.
How much sleep is enough?
Most people need 7 to 9 hours of sleep a night to feel sufficiently rested. Few people are at their best with less than 7 hours, and few require more than 9 without an underlying health condition. And that's a major problem, since more than half of Americans get less than the necessary 7 hours of sleep each night, according to the National Sleep Foundation.
For go-getters, it's even worse.
A recent survey of Inc. 500 CEOs found that half of them are sleeping less than 6 hours a night. And the problem doesn't stop at the top. According to the Centers for Disease Control and Prevention, a third of U.S. workers get less than 6 hours of sleep each night, and sleep deprivation costs U.S. businesses more than $63 billion annually in lost productivity.
Doing something about it
Beyond the obvious sleep benefits of thinking clearly and staying healthy, the ability to manage your emotions and remain calm under pressure has a direct link to your performance. TalentSmart has conducted research with more than a million people, and we've found that 90% of top performers are high in emotional intelligence (EQ). These individuals are skilled at understanding and using emotions to their benefit, and good sleep hygiene is one of the greatest tools at their disposal.
High-EQ individuals know it's not just how much you sleep that matters, but also how you sleep. When life gets in the way of getting the amount of sleep you need, it's absolutely essential that you increase the quality of your sleep through good sleep hygiene. There are many hidden killers of quality sleep. The 10 strategies that follow will help you identify these killers and clean up your sleep hygiene. Follow them, and you'll reap the performance and health benefits that come with getting the right quantity and quality of sleep.
1. Stay away from sleeping pills
When I say sleeping pills, I mean anything you take that sedates you so that you can sleep. Whether it's alcohol, Nyquil, Benadryl, Valium, Ambien, or what have you, these substances greatly disrupt your brain's natural sleep process. Have you ever noticed that sedatives can give you some really strange dreams? As you sleep and your brain removes harmful toxins, it cycles through an elaborate series of stages, at times shuffling through the day's memories and storing or discarding them (which causes dreams). Sedation interferes with these cycles, altering the brain's natural process.
Anything that interferes with the brain's natural sleep process has dire consequences for the quality of your sleep. Many of the strategies that follow eliminate factors that disrupt this recovery process. If getting off sleeping pills proves difficult, make certain you try some of the other strategies (such as cutting down on caffeine) that will make it easier for you to fall asleep naturally and reduce your dependence upon sedatives.
2. Stop drinking caffeine (at least after lunch)
You can sleep more and vastly improve the quality of the sleep you get by reducing your caffeine intake. Caffeine is a powerful stimulant that interferes with sleep by increasing adrenaline production and blocking sleep-inducing chemicals in the brain. Caffeine has a 6-hour half-life, which means it takes a full 24 hours to work its way out of your system. Have a cup of joe at 8 a.m., and you'll still have 25% of the caffeine in your body at 8 p.m. Anything you drink after noon will still be near 50% strength at bedtime. Any caffeine in your bloodstream—the negative effects increasing with the dose—makes it harder to fall and stay asleep.