Originally published in In Fitness and In Health
Why is Sleeping so important, and how to become a pro at it
Some of us start counting the hours until bedtime from the moment we wake up. Others wish we could skip sleep altogether and squeeze in a little more Netflix, scrolling, or productivity. But the love-hate relationship with sleep often comes down to the quality of it. It’s the difference between waking up refreshed or feeling like you’ve been hit by a truck. Maybe you fall asleep fine but wake up at 3 a.m. with a racing mind, watching the clock every few minutes. Maybe you’re the person who can sleep through anything (in which case, I both envy and salute you). No matter where you fall on the sleep spectrum, getting enough good sleep is non-negotiable. Let’s talk about why it matters and how to improve your sleep without turning to pills or potions.
We all sort of know sleep is good for us. We’ve heard that it helps with recovery, detoxification, and general repair. But there are other benefits of sleep health that we might not talk about enough. First off, research shows that sleep can actually help prepare your brain to learn. Those all-nighters in college or prepping for a morning meeting might not have helped as much as we thought. During sleep, your brain files information away, connecting new facts to old knowledge. This process is essential for learning, long-term memory, and overall cognitive function.
There’s also a huge emotional benefit. You’ve probably heard the phrase “sleep on it” and it turns out that it’s rooted in science! Researchers refer to sleep as “emotional first aid”. It helps us regulate how we feel and even gain perspective on our day-to-day stressors. Especially in the past few years when uncertainty and stress have been at an all-time high, sleep may be one of our most underused tools for stress relief and mental clarity.
Sleep is also deeply connected to our overall health. Poor sleep habits have been linked to everything from diabetes and obesity to immune system dysfunction and psychiatric issues. You might go to the doctor for cold symptoms, fatigue, or weight concerns without ever realizing that your sleep is a piece of the puzzle. One study showed people getting less than seven hours of sleep were three times more likely to catch the common cold. Another study found women who slept fewer than five hours had a significantly higher risk of pneumonia. Even flu shot effectiveness is tied to how much sleep you get the week before. People who got less than eight hours a night produced fewer antibodies. Bottom line, quality rest supports immune function in real, measurable ways.
Let’s talk about the connection between sleep and weight management. This one is huge. The hormones that tell us we’re full and hungry, leptin and ghrelin, are directly impacted by how much sleep we get. This study explains that when you don’t sleep well, ghrelin (the hunger hormone) goes up and leptin (the satiety hormone) goes down. It’s not in your head if you feel hungrier or less satisfied after a night of poor rest. The body is working overtime, trying to stay awake, and it thinks you need more fuel to do it. It’s a perfect storm for cravings and overeating.
Of course, sleep isn’t always easy to come by. So many things can get in the way. From nighttime bathroom trips and changing sleeping positions, physical discomfort to racing thoughts and blue light from screens, it’s no wonder so many adults struggle with consistent, restful sleep. Chronic conditions like arthritis, reflux, and PMS can also make it harder to stay asleep. Add to that caffeine, alcohol, medications, nicotine, and the simple fact that as we age, our sleep rhythms tend to shift. If you’re one of the 50 percent of Americans who gets fewer than six hours of sleep a few nights a week, fear not. Even though the list of conditions connected to a lack of sleep can be long, know that you’re not alone, and that we can change our habits for the better.
So how do we work with sleep to give ourselves a better chance? The good news is that there’s a lot you can do to improve your sleep naturally and support your circadian rhythm.
Start with consistency. I say it all the time when it comes to health and wellness, and it applies here too. Our bodies love rhythm. Dr. Satchin Panda’s research found that a big portion of our genes are governed by our circadian rhythm, including those related to our brain, muscles, and liver. When we go to sleep and wake up at the same time every day, it supports not just better rest, but better health overall.
Bedtime routines matter too. Think Pavlov’s dogs. When we do the same things in the same order before bed, eventually those actions cue the body to start winding down. Whether it’s reading, meditating, listening to calming music, or dimming the lights, your brain gets the message that it’s time to rest. Try setting a nightly alarm, not for waking up, but for winding down. It’s easy to lose track of time, especially when our evenings are packed. A reminder helps you protect that seven-hour window your body really needs. And yes, seven hours should be the baseline. For some, eight is even better.
Let’s not forget about blue light. That glow from your phone or TV? It’s keeping your brain wired. Blue light can suppress melatonin production, which makes it harder to fall asleep. Try putting your phone away an hour before bed, dim your screens, or consider blue light blocking glasses if screen time is unavoidable.
Cut the distractions. Constant pings from email, texts, and social media keep our brains in overdrive. Every notification, every scroll, triggers excitatory neurotransmitters that say “stay alert!” But sleep requires the opposite. It’s like a seesaw: when those excitatory chemicals are up, the calming, sleep-promoting ones are down. If you want to rest, your body needs time to shift gears.
One of my favorite nighttime tools is a gratitude journal. If your brain starts replaying your to-do list or the day’s frustrations the minute your head hits the pillow, take a few minutes to write down five things you’re grateful for. It’s a small act, but it helps reframe your mindset and ease the mental noise. You can also support your sleep by adjusting your temperature. Taking a hot shower or bath before bed sounds relaxing, but it’s also functional. When you step out of the warm water, your body temperature drops, which helps signal to your body that it’s time to sleep. A cool bedroom works the same way, promoting deeper and more restful sleep.
Now let’s chat about nighttime eating. If you’re feeling snacky before bed, ask yourself if you’re really hungry, or just tired. The body often confuses the two. Late-night hunger can be your body’s way of saying it needs energy to keep going, when really, it needs rest. My rule is this: the later you eat, the lighter you eat. Avoid heavy meals and sugar close to bedtime. If you’re truly hungry, reach for something small and nourishing. But often, a glass of water or a solid wind-down routine is enough.
To wrap it all up, sleep supports your immune system, brain, mood, metabolism, and overall well-being. Getting consistent, high-quality sleep starts with daily choices that support healthy habits. Set a bedtime, limit your screen time, create a routine, manage stress, and check in with your body before those late-night snacks. This isn’t about perfection. It’s about giving yourself the best shot at waking up feeling rested and ready to tackle the day. Sweet dreams, friends.
As always, your best snack choice—or sleep strategy—depends on your body, your goals, and your lifestyle.