Why Does Your Lower Back Hurt More at Night?

By Unpain Clinic on July 7, 2025

Waking Up in Pain? Here’s What Your Nighttime Back Pain Is Really Telling You

It’s late. You finally crawl into bed, hoping for a good night’s sleep.
But just as you start to relax… bam—your lower back starts throbbing.
No matter how you position yourself, the pain won’t let up. And by morning, you’re stiff, sore, and exhausted.
So what’s going on?

👉 Nighttime lower back pain isn’t just about your spine—it’s a sign of deeper inflammation.
The good news? Once you understand what’s really causing it, you can finally fix it.
Let’s break it down.

The Hidden Reason Your Lower Back Hurts More at Night

Most people assume their lower back pain at night is from a bad mattress or sleeping position.
But here’s the real story:
If your pain gets worse at night, it’s usually a sign of inflammation—not structural damage.

🔹 1. Inflammation is Keeping You Up at Night
When you’re awake and moving during the day, blood flow helps manage inflammation. But at night, when you’re lying still for hours, inflammation builds up—leading to pain, stiffness, and discomfort.

🔹 2. Bursitis: The “Sponge” Filling with Pain
Your body has bursa—small, fluid-filled sacs that cushion your joints. But if they get inflamed, they fill with excess fluid, causing sharp, deep pain—especially when lying down.

🔹 3. Digestive Issues Can Make It Worse
Yes, your gut health can impact your back pain. Conditions like constipation or diarrhea can cause inflammation in the intestines, which presses against nerves and muscles in your lower back.

🔹 4. Structural Issues? Only If It’s Severe
If your pain is caused by serious spinal damage (like a fracture or a major herniated disc), you’ll likely feel it all the time—not just at night.
If your pain only flares up at night, the culprit is more likely inflammation than a major structural issue.

The Big Mistake: Ignoring the Root Cause

🚨 Here’s what most people get wrong: They focus only on positioning and support, instead of tackling what’s actually causing the pain.

Many people try:
❌ Buying a new mattress – It might help a little, but it won’t stop inflammation from building up.
❌ Relying on painkillers – They mask the symptoms but don’t solve the actual problem.
❌ Ignoring digestive issues – If your gut is inflamed, no amount of stretching will fix your back pain.
If you want real relief, you need to reduce inflammation first.

How to Fix Nighttime Lower Back Pain (for Good)

The solution isn’t just about how you sleep—it’s about how you control inflammation throughout the day.
✅ 1. Reduce Inflammation Before Bed
To calm inflammation before you sleep:
🔹 Apply heat therapy – A warm compress or hot shower can improve circulation.
🔹 Stay hydrated – Dehydration makes inflammation worse.
🔹 Limit inflammatory foods – Cut down on sugar, processed foods, and alcohol in the evening.

✅ 2. Address Bursitis Pain
If bursitis is causing your nighttime back pain:
🔹 Use ice packs in the evening to reduce swelling.
🔹 Try gentle stretching to keep the joints mobile without overloading them.

✅ 3. Check Your Gut Health
If digestive issues are contributing to your pain:
🔹 Eat fiber-rich foods to prevent constipation.
🔹 Avoid eating heavy meals late at night that could cause bloating and pressure on your lower back.

✅ 4. Strengthen Your Back During the Day
While you shouldn’t exercise intensely before bed, doing strength and mobility exercises during the day can help prevent nighttime stiffness.
🔹 Focus on core and hip mobility to keep your lower back supported.
🔹 Avoid sitting for long periods, which can worsen inflammation.

Fix the Inflammation, Fix the Pain

If your lower back pain gets worse at night, the problem isn’t just your mattress—it’s inflammation.

💡 The good news? Once you address the root cause, you can finally sleep pain-free.
🔹 Reduce inflammation with heat therapy, hydration, and better nutrition.
🔹 Treat bursitis pain with ice and movement.
🔹 Improve digestion to prevent gut-related inflammation.
🔹 Strengthen your back and core during the day for better support at night.

Don’t just mask the pain—fix it. Your lower back (and your sleep) will thank you.