Tips For Better Sleeping
The part of better sleeping a chiropractor can speak to comes down to one plain fact: you spend hours at a time in one position, and your spine holds it. That's why sleep comes up so often in a chiropractic history. A back that feels fine while you're moving can still ache after seven hours held still.
This page covers the musculoskeletal part of sleep: what your position does to the load on your spine, why some people wake up stiff, and which nighttime symptoms have nothing to do with position at all. Most of sleep belongs to sleep medicine, not to us, and further down we say plainly where that line sits.
How does your sleeping position affect your spine?
A sleeping position is a posture you hold for hours. Lying down takes most of the pressure off the discs compared with standing, as one measurement study found, but the position still asks something of the muscles and joints holding it, and whatever tissues end up carrying it keep carrying it for hours, not seconds.
Lying face up. With the legs straight, the hips are held in extension and the curve of the low back deepens. The muscles that extend the spine and the structures at the back of the lower spine carry that curve for as long as you lie there. A pillow under the knees lets the hips and knees bend a few degrees, the pelvis tips back, and the curve flattens toward neutral.
Side lying. Without support, the top leg falls forward and inward across the bottom one. The pelvis turns with it, and the lower spine turns with the pelvis. A pillow between the knees holds the top leg roughly in line with the hip, which keeps that twist out of the low back.
Face down. Sleeping on your stomach means turning your neck close to the end of its rotation and holding it there, because your face has to clear the mattress. It also arches the lower back. That long hold at the far end of the neck's rotation is the part a neck exam pays attention to.
A pillow is about your neck more than your head. Its job is to fill the gap between your head and the mattress so your neck (the cervical spine) sits roughly in line with your upper back (the thoracic spine). That gap is a different size when you're on your back than when you're on your side, which is why a pillow that suits one position often doesn't suit the other.
Is a firm or soft mattress better for sleeping?
People talk about mattress firmness as if the answer were obvious, and it isn't: the studies genuinely disagree with each other. The one thing a recent review of them landed on is that medium-firm tends to come out best for comfort and sleep quality. That's a mild preference, not a prescription, and it's a long way from the certainty in mattress marketing. Comfort and the position you usually sleep in are still the things you can actually judge for yourself. A mattress that's lost its support unevenly changes the position you lie in, and that's a different problem from a mattress that's simply too hard or too soft.
Why do you wake up stiff in the morning?
Overnight, with your body weight off them, the discs between your vertebrae take on fluid, and they lose it again through the day. It's the reason people are measurably taller in the morning. Your discs are at their most hydrated when you wake up. That makes the spine stiffer in bending, though not in compression, and it's part of why bending forward under a load feels worst in the first part of the morning.
Morning stiffness that eases within about half an hour of moving around is a common pattern, and it's usually a mechanical one (a muscle-and-joint cause), though no single feature settles that.
One pattern deserves a conversation with a physician instead of being written off as mechanical: back pain that started before the age of forty-five, has lasted three months or more, came on gradually, gets better with activity, doesn't get better with rest, and wakes you in the second half of the night. That combination is how inflammatory back pain is described, and it's treated differently from the mechanical kind.
Which nighttime back pain needs a doctor?
Some nighttime symptoms aren't about position, and changing your pillow won't touch them.
If you have any of these, get a medical assessment instead of treating it as a sleeping-position problem:
- Night pain with fever, unexplained weight loss, or a history of cancer
- Back pain after significant trauma, such as a fall or a collision
- Back pain in someone taking oral steroids long term, or with known osteoporosis
- Pain that consistently wakes you from sleep, or that is unrelieved by any position
- Night pain that is progressively worsening rather than fluctuating
- Numbness or weakness in a limb
Why the list is in that order. When these signs have been studied one at a time, trauma and long-term steroid use are the ones that actually shift the odds of a fracture. Night pain alone turns out to be a weak signal that barely changes the chance of anything serious. It's on the list because whoever examines you should hear about it, not because it's alarming on its own.
And get emergency medical care immediately, at any time of day or night, if you have:
- Loss of bladder or bowel control, or new difficulty passing urine
- A change in the sensation of passing urine, such as not feeling the flow, or losing the sense of when the bowel is full
- Numbness in the saddle area: the inner thighs, buttocks, or around the genitals
- New sexual dysfunction, including new numbness in the genitals
- New or worsening weakness in both legs
- Severe back pain with fever, or an unexplained fever with new back pain. Either alone is enough
That second list is mostly the signs of cauda equina syndrome, a surgical emergency, and of spinal infection. The night-pain signs above are the reason a chiropractic history asks about sleep at all, and our disc injury page lists the symptoms that are a same-day emergency.
Numbness in a hand that wakes you at night is common, and it has several possible sources, some of them in the wrist instead of the neck.
Where sleep medicine takes over
Sleep is a big clinical field, and most of it is outside the chiropractic scope of practice. How long you sleep and when, insomnia, sleep apnea, restless legs, what caffeine, alcohol and medication do to the structure of your sleep, and how sleep and mood affect each other are all real and all matter, and we don't assess or treat any of them. If your main problem is sleep itself, not a muscle or joint symptom that shows up at night, a physician or a sleep service will serve you better than we can.
What a visit here looks like
We'll start with your history, including how you sleep and when the pain wakes you, and the exam looks at how your joints move, where muscles are tight, and for signs of an irritated nerve. We'll tell you what we find, including when it's not something we treat. If we are not able to help you with your problem or are unable to reduce your pain levels, we will make sure to give you a recommendation to another experienced provider.
If a stiff neck or a sore low back is what's waking you up, call Source Chiropractic in Clarksville and we'll tell you honestly if it's something we can help with.
Follow the evidence
Research, with context.
Selected published sources behind what we've written, each with what it found and what it can't tell us. We give you both halves because no paper can diagnose you or predict how your own care will go.
Behavioral and psychological treatments for chronic insomnia disorder in adults: an American Academy of Sleep Medicine clinical practice guideline
Adults with chronic insomnia disorder, considering behavioral and psychological treatments.
What it foundThe guideline strongly recommends multicomponent cognitive behavioral therapy for insomnia. Sleep hygiene alone is not recommended as a single treatment.
What it can't tell usThe guideline covers insomnia care. It doesn't test chiropractic care, mattress brands or sleep apnea treatment, and ongoing sleep trouble may need its own medical assessment.
Publication details & citation
Edinger et al. Behavioral and psychological treatments for chronic insomnia disorder in adults: an American Academy of Sleep Medicine clinical practice guideline. Journal of Clinical Sleep Medicine. 2021. DOI: 10.5664/jcsm.8986.
Read the publication record
Our editorial policy explains how to read these sources and what our clinical-review labels mean.