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The lower back features an interwoven series of structures Trusted Source National Institute of Neurological Disorders and Stroke (NINDS) NINDS aims to seek fundamental knowledge about the brain and nervous system and to use that knowledge to reduce the burden of neurological disease. See Full Reference . It includes the five vertebrae of the lumbar spine, each of which is bolstered by shock-absorbing discs and held in place by ligaments. Surrounding muscles offer support and are connected to the spine by tendons. Nerves run through the spinal column to deliver signals throughout the body.
The lower back supports most of the body’s weight Trusted Source Medline Plus MedlinePlus is an online health information resource for patients and their families and friends. See Full Reference and is integral to all kinds of movements. Whether standing, sitting, walking, or lying down, the lower back plays a role in mobility and comfort.
Given the complexity of the lower back and how much we depend on it, it comes as no surprise that it is a leading hotspot for pain. Eight out of 10 people Trusted Source Medline Plus MedlinePlus is an online health information resource for patients and their families and friends. See Full Reference have back pain at some point during their life, and lower back pain is one of the top reasons why people see a doctor.
Back pain can range from mild to severe, and it may be short-lived or long-lasting. When serious, it can be debilitating and interfere with nearly all aspects of daily life, including sleep.
Pain and sleep have a complex relationship. Pain can disrupt sleep, and poor sleep can make it more likely that a person will experience pain. In addition, a sleeping position or mattress that doesn’t support the lumbar spine can induce or exacerbate lower back pain.
Understanding the links between sleep and lower back pain offers new approaches to finding relief. Quality sleep can help prevent or reduce back pain, and knowing how to sleep when you have back problems can help cope with pain and contribute to healing and recovery.
Types of Lower Back Pain
There are two primary types of lower back pain: acute and chronic.
- Acute lower back pain is short-term, lasting for just a few days up to a few weeks. It is often connected to an identifiable event or injury. When acute back pain fades, there is no ongoing effect on mobility.
- Chronic lower back pain Trusted Source Medline Plus MedlinePlus is an online health information resource for patients and their families and friends. See Full Reference goes on for three months or longer. In many cases, it occurs without a clear link to an initial injury.
Lower back pain that starts as acute may become chronic. It is estimated that around 20% of cases of acute low back pain persist and become chronic.
How Are Sleep and Lower Back Pain Related?
Researchers have long seen an association between lower back pain and sleeping problems, and growing evidence points a two-way relationship Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. See Full Reference in which they can be mutually reinforcing.
Discomfort from pain can be a major barrier to sleep. Lower back pain makes it hard to get comfortable enough to fall asleep or may provoke nighttime awakenings when pain surges.
At the same time, people with sleep problems are more likely to start having pain or to have pain get worse Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. See Full Reference . Experts aren’t certain why this happens, but there are several potential explanations. Sleep deprivation may impair healing, affect mood in a way that heightens pain sensitivity, or disrupt chemicals in the brain that are involved in how we experience pain.
How Do Sleeping Positions Affect Lower Back Pain?
Another link between sleep and lower back pain is tied to how sleeping position affects spinal alignment. Although posture is typically associated with sitting and standing, it’s also critical when lying down.
A sleeping position that involves twisting, contorting, or otherwise putting pressure on the lumbar spine can cause pain and stiffness. This pain is often worse in the morning but may persist throughout the day.
The Best Sleeping Positions for Lower Back Pain
The best sleeping position for lower back pain is on your side with a partial bend in the knees Trusted Source FamilyDoctor.org Familydoctor.org is the public-oriented website created by the American Association of Family Physicians (AAFP) that features physician-reviewed patient education materials. See Full Reference . Keeping the knees bent helps balance the body and reduces pressure on the lumbar spine. Many people find it helpful to put a small pillow between their knees to make this position more comfortable.
Unfortunately, many back and stomach sleepers have a hard time changing their sleeping position. Even so, they can take steps to reduce strain on their lower back:
- Back sleepers can put a pillow under their knees, legs, and/or lower back to support the natural curve of the spine and minimize lumbar pressure.
- Stomach sleepers should opt for only a thin pillow under their head and place a more supportive pillow under their hips and abdomen. This works to prevent the lower back from sinking into a U-shape that pulls the spine out of alignment.
Some people with back pain use an adjustable bed that makes it easy to raise the upper or lower part of the mattress in a way that decreases tension in the lower back.
Can Your Mattress Cause Lower Back Pain?
Because it is a principal means of supporting the body during sleep, a mattress can play an important role in preventing or reducing lower back pain.
Proper spinal alignment demands a mattress that is in good condition and doesn’t sag excessively. Research supports using a medium-firm mattress Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. See Full Reference to combat lower back pain Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. See Full Reference , although the most appropriate firmness can vary based on a person’s weight, body shape, sleeping position, and individual comfort preferences.
How to Sleep Better With Lower Back Pain
Getting quality sleep is an important part of recovering from lower back pain, but sleeping well may seem like a tall task when your back hurts. While there’s no guaranteed way to get better sleep, certain practical tips can help:
- Find a supportive sleeping position. Ideally, you can sleep on your side, but regardless of the position, make sure your spine is well-aligned. If needed, use extra pillows for body support.
- Be careful with alcohol and caffeine. Though alcohol may help you doze off, it can throw off the quality of your sleep. As a stimulant, caffeine can make it harder to fall asleep and stay asleep.
- Try relaxation methods. Finding techniques to wind down can put you in the right state of mind for sleep with less focus on pain.
- Reduce potential sleep disruptions. If you inadvertently wake up at night, pain may make it harder to get back to sleep. For that reason, try to eliminate excess noise and light from your bedroom or block them out with a sleep mask or earplugs. Set your bedroom to a temperature that will be comfortable throughout the night.
Focusing on sleep hygiene can improve your sleep habits so that you can sleep better both during and after episodes of lower back pain.
When Should You See a Doctor About Lower Back Pain
Back pain is common and often recedes quickly, but it’s important to talk with a doctor if:
- The pain began with a specific injury
- Pain continues or worsens for more than a few days
- Pain is debilitating
- Pain radiates to the legs or other parts of the body
- You experience weakness or numbness in your lower body
- There are signs of infection like redness, warmth, swelling, or fever
- You have a personal history of cancer
- You have other unexplained health changes like weight loss or urinary problems
A doctor can review your symptoms and determine the appropriate next steps for testing, diagnosis, and treatment.
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Listed news articles do not represent the opinion of Sleep Foundation and are provided for informational purposes only.
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