May is International Posture Month an awareness campaign founded by Dr Steven Weiniger and now supported by chiropractic associations around the world. The premise is simple: posture is not a cosmetic concern. It is a daily, measurable health indicator, and most of us spend our waking hours actively making it worse.
But here is the part the campaign often skips. You spend roughly a third of your life lying down. That is 2,920 hours a year your spine is held in one shape by your mattress and pillow. If your “posture hygiene” stops at 11pm, you are working on the wrong half of the problem.
So for Posture Month this year, we sat down with Dr Kelvin Ng, Clinic Director at Family Health Chiropractic Clinic in Singapore, to talk about the other eight hours what good sleep posture actually looks like, why it matters more than most people realise, and what to do about it tonight.
Why posture does not clock off at bedtime
During the day, your spine is loaded. Gravity is compressing the discs between your vertebrae, your muscles are firing to hold you upright, and if you are like most Singaporeans your head is tilted thirty degrees forward over a laptop or a phone for hours at a time.
Sleep is supposed to be the reset. Discs rehydrate. Muscles release. The nervous system shifts gears. None of that happens optimally if your spine is twisted, bent, or unsupported for eight straight hours. Wake up with a stiff neck, a sore lower back, or pins and needles in your arm, and you are not “sleeping wrong” you are getting a clear signal that your sleep environment is undoing the recovery your body came to bed to do.
This is where chiropractic care and sleep surface meet. One addresses the structural and nervous-system issues that build up during the day. The other determines whether your spine can return to neutral while you rest.
What good sleep posture actually looks like
Good sleep posture is not a single rigid position. It is a continuous line. Whether you sleep on your back, your side, or somewhere in between, the goal is the same: your ear, shoulder, and hip should be roughly aligned, with the natural curves of your neck and lower back supported rather than flattened or exaggerated.
A few quick markers of healthy spinal alignment in bed:
- On your back: A pillow that fills the gap behind your neck without pushing your chin toward your chest. A small pillow under the knees can take pressure off the lower back.
- On your side: A pillow thick enough to keep your head level with your spine not tilted down toward the mattress or propped up toward the ceiling. A pillow between your knees helps stop your top hip from rotating forward.
- On your stomach: Avoid where possible. If unavoidable, use the thinnest pillow you can tolerate and place one under your pelvis to reduce lower-back arch.
The mattress matters because it determines whether your hips and shoulders sink in enough to keep that line straight. Too firm, and your shoulders and hips stay perched up while your waist hangs unsupported. Too soft, and your heaviest body parts sag, bending your spine into a U.
Five questions for Dr Kelvin Ng
We asked Dr Ng, a Doctor of Chiropractic (USA, Summa Cum Laude) and Clinic Director at Family Health Chiropractic Clinic, the questions our patients and customers ask most often. Dr Ng is also a certified ergonomist and posture rehab specialist for adult and children.
1. What are the most common posture-related problems you see in Singapore, and how often is sleep a contributing factor?
I would say it’s the use of smart devices. As we dive deeper into the digital era, smart devices are no longer a luxury and we can’t run away from them. That will subject our spine, especially in our neck to tremendous amount of pressure. These can eventually lead to spinal misalignments which can then result in discomfort such as neck pain or headache etc.
We are often quite high strung throughout the day and if we can’t switch off our mind when we go to bed, sleep quality can be affected and that can affect the way out body rests and recovers for the next day. More often than not, people do not have a well supported pillow and or mattress that can provide them the much needed support to rest.
2. How can someone tell if their mattress or pillow is actively working against their spinal alignment? What are the warning signs people tend to ignore?
When one wakes up with frequent neck, shoulder tension or feeling like their shoulders are being squashed, it’s a sign that their pillow is not providing them the right support. If one wakes up with frequent lower back ache or tension and the mattress feels indented or is quite old, it could be a sign that the mattress needs to be looked at.
3. For someone with chronic neck or lower back pain, where should they start with a chiropractor, with their sleep setup, or both? How do those two approaches work together?
The best is to get an evaluation by a chiropractor first, so that the chiropractor can assess whether root cause is a spine issue or just a bedding issue. A chiropractor can also offer recommendations regarding the bedding support based on their client’s condition. The spine is usually happiest when it is well aligned and supported in an environment that is conducive for rest and recovery.
4. What is one piece of sleep posture advice you wish more Singaporeans knew?
Not all pillows are the same. Just like you need sizing for your clothes, you need proper fitting for your pillows as well. Without the right support for the neck, your sleep posture will not be ideal. No one wants to wake up with a stiff neck!
5. You also work with pregnant patients and children. Does sleep posture matter differently at different life stages?
They absolutely so. In general, sleeping on the tummy is the worst. Children’s spine tend to be more flexible so they can get away with sleep posture that is not ideal. As they grow older, the spine becomes less forgiving when they sleep in the wrong position, especially if someone has a spine condition. During pregnancy, most ladies will be limited to side sleeping. Hence, having a well fitted pillow and a supportive mattress is very important.
How your mattress shapes nightly recovery
If chiropractic care releases tension and restores spinal motion during the day, your mattress is what either preserves or undoes that work overnight. A surface that supports natural spinal alignment lets the joints, discs, and surrounding muscles stay in their resting positions long enough for the body’s repair processes to do their job.
This is why Heveya designed its mattresses around natural organic latex. Latex has an open-cell structure that contours to the body’s heavier and lighter points hips and shoulders sink slightly while the waist and lumbar curve stay supported — which keeps the spine in a more neutral line throughout the night. The hypoallergenic and naturally cool properties of latex add a second benefit: fewer micro-disruptions to sleep, so the recovery cycles your nervous system needs actually complete.
You can find a deeper explanation of how the Heveya II was built specifically for back support, or visit a showroom at Tiong Bahru or Great World to test the difference yourself.
The takeaway for Posture Month
Posture is a 24-hour project. The hours you are awake matter, but so do the eight you are not. If you are doing the work during the day adjusting your desk, watching your phone-neck, seeing a chiropractor and still waking up sore, the missing piece is almost always what you are sleeping on, or how.
Dr Kelvin Ng and his team at Family Health Chiropractic Clinic are offering posture assessments through May for International Posture Month. To book, WhatsApp the clinic at +65 8198 8248 or visit familyhealthchiro.sg.
To find a mattress that supports your spine the way it is designed to be supported, visit a Heveya showroom at Tiong Bahru or Great World, or explore the range at heveya.sg.
Your spine has been carrying you all day. Give it the eight hours it needs.
Dr Kelvin Ng Say Koon is the Clinic Director of Family Health Chiropractic Clinic in Singapore. He is a Doctor of Chiropractic (USA, Summa Cum Laude), a member of The Chiropractic Association (Singapore), and certified by the International Chiropractic Pediatric Association in the Webster Technique.













