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How Poor Sleep Can Affect Your Spine and Nervous System

  • July 30, 2026

Episode Notes:

Most people think of sleep as simple rest, but Dr. Matt Eiken of The Mauldin Clinic reveals how poor sleep can quietly wreak havoc on your spine and nervous system in ways you might never expect. In this episode, Dr. Eiken breaks down the science behind what actually happens to your body while you sleep and why skimping on quality rest has serious consequences beyond fatigue. Listeners will come away with a deeper understanding of how their nightly habits directly impact spinal health and nervous system function. Whether you struggle with sleep or just want to protect your long-term health, this episode offers eye-opening insights from a chiropractic perspective.

Hey there, and welcome back. I’m Doctor Matt Eiken from The Mauldin Clinic here in Mauldin, South Carolina, and today we’re talking about something that affects pretty much every single one of us — sleep. Specifically, how poor sleep can quietly wreak havoc on your spine and your nervous system. And I think this one is going to surprise you a little bit.

So here’s the thing. Most people think of sleep as just… rest. You close your eyes, you check out for a few hours, and you wake up. But your body is doing so much more than that while you’re asleep. Your spine is decompressing. Your muscles are recovering. Your nervous system is actually processing and repairing. Sleep is not downtime — it’s active recovery time for your entire body.

Now, here’s what I hear a lot in my office. People come in with neck pain, lower back pain, stiffness in the morning — and when I start asking questions, it turns out they’re sleeping five or six hours a night, or they’re waking up constantly, or they’re on their phones until midnight. And they never connected that to their spine. But there is absolutely a connection.

Let me break this down for you. During the day, gravity is constantly compressing your spinal discs. Those little cushions between your vertebrae — they take a beating. When you lie down and sleep, those discs actually rehydrate and expand a little bit. That’s why you’re technically a little bit taller in the morning than at night. That process requires quality, uninterrupted sleep. When you’re not sleeping well, that recovery doesn’t fully happen. Over time, that adds up.

Here’s what’s interesting about the nervous system side of things. Your nervous system controls everything — your muscles, your organs, your ability to feel pain. And when you’re sleep deprived, your nervous system becomes more sensitive. That means you actually feel pain more intensely. So if you already have some tension or misalignment in your spine, poor sleep can make that pain feel much worse than it otherwise would. It’s like the volume knob on your pain gets turned way up.

And then there’s the muscle piece. When you’re not sleeping well, your muscles don’t recover properly. They stay tight. They stay guarded. That tightness pulls on your spine, which creates more tension, which makes it harder to sleep — and you can see how this becomes a cycle that just keeps feeding itself.

So what can you actually do about this? A few simple things. First, pay attention to your sleep position. Sleeping on your back with a pillow under your knees is generally the most spine-friendly position. If you’re a side sleeper, try placing a pillow between your knees to keep your hips aligned. Avoid sleeping on your stomach if you can — it puts a lot of rotation and strain on your neck.

Second, think about your pillow. It should support the natural curve of your neck. If you wake up with neck stiffness regularly, your pillow might be part of the problem.

Third, give yourself a real wind-down routine. Dim the lights, put the phone down at least thirty minutes before bed. Your nervous system needs time to shift out of that alert, active state before you can get truly restorative sleep.

Now, if you’re dealing with chronic back pain, neck pain, or you just feel like no matter how much you sleep you wake up stiff and sore — that’s worth getting checked out. Sometimes there’s an underlying spinal issue that’s disrupting your sleep quality without you even realizing it. Misalignments in the spine can actually interfere with how your nervous system functions, and getting that addressed can make a real difference in how you sleep and how you feel.

At The Mauldin Clinic, we work with people every day who are stuck in that cycle of pain and poor sleep, and we love helping them break out of it. If you’ve been putting off getting evaluated, I’d encourage you to give us a call or stop by. We’re right here in Mauldin, and we would love to be a part of your health journey.

Thanks so much for listening today. Take care of your spine, take care of your sleep, and I’ll talk to you next time.