Guaranteed Best Price

100% Local Trusted Mattress Specialist Since 1986

Free Local Delivery*

What Is the Best Sleeping Position for a Perfect Night's Sleep?

What Is the Best Sleeping Position for a Perfect Night's Sleep?

Heena Sikka |

Ever wonder what the best sleeping position is? You’re not alone. While there’s no single magic bullet for everyone, the evidence points to a clear winner: sleeping on your side or back usually offers the biggest health benefits, especially for keeping your spine happy and aligned.

But at the end of the day, the "best" position is the one that works for you and your unique health needs.

Your Quick Guide to Finding the Ideal Sleep Position

Overhead view of a man and woman sleeping on their sides in separate beds, labeled 'Ideal Sleep Position'.

The way you position your body at night matters more than you might think. It can influence everything from back pain and snoring to acid reflux and even wrinkles. Think of it like your posture during the dayβ€”spend hours slumped over a desk, and you’ll definitely feel the consequences. The same rule applies when you're in bed for eight hours.

Your body uses this time to rest, repair, and recharge. If your sleeping position puts a strain on your muscles or knocks your spine out of whack, you could be waking up feeling even more tired and sore than when you went to bed.

The Main Positions at a Glance

To get a better night's sleep, it helps to understand the pros and cons of how you lie down. Each position has distinct advantages and potential drawbacks.

This quick cheat sheet helps you see where your current sleeping style fits in.

Sleeping Position Primary Benefit Main Drawback
Back Sleeping Excellent for spinal and neck alignment. Can make snoring and sleep apnoea worse.
Side Sleeping Reduces snoring and acid reflux; great for digestion. Can cause shoulder or hip discomfort without the right mattress.
Stomach Sleeping May reduce snoring for some. Puts significant strain on the neck and spine.

As you can see, there's a bit of a trade-off with each position. What works brilliantly for one person might cause problems for another.

Finding your ideal posture isn't just about what feels comfy in the moment. It’s about giving your body the support it needs for proper alignment, so it can truly heal and recover overnight. Even a small tweak to how you sleep can make a world of difference to how you feel each morning.

Of course, your position is only one piece of the puzzle. There are many other ways you can improve sleep quality naturally to ensure you get the perfect rest.

As you go through this guide, think about how your current habits measure up. If you're keen to explore the science of sleep a bit more, check out our comprehensive resource for understanding and enhancing sleep quality in New Zealand.

The Two Best Sleeping Positions: Are You a Side or Back Sleeper?

Two individuals sleep in separate beds, a man on his side and a woman on her back.

When you dig into the best way to sleep, the conversation nearly always narrows down to two clear front-runners: sleeping on your side or on your back. While snoozing on your stomach comes with a host of problems, these two positions offer some real benefits for your spine, rest, and overall health.

It's not about one being definitively "better" than the other. Instead, think of it as finding the position that best matches your body's unique needs. Let's break down the pros and cons of each so you can figure out what’s right for you.

Side Sleeping: The Crowd Favourite

It's no secret that side sleeping is the most popular position by a country mile. In fact, research shows that over 70% of us naturally curl up on our side at night. This isn't just a coincidence; it’s a position packed with health benefits, especially when it comes to digestion and breathing.

One of its greatest advantages is the way it can quieten down snoring and even help with symptoms of sleep apnoea. Lying on your side naturally helps keep your airway open, which is often a problem for people who sleep on their backs. But that’s not all it’s good for.

  • Helps Your Gut: Because of how our organs are laid out, sleeping on your left side can actually use gravity to your advantage, helping waste move more easily through your system and potentially easing digestive issues.
  • Eases Heartburn: If you’re familiar with acid reflux, sleeping on your left side can be a game-changer. It keeps your stomach below your oesophagus, making it physically harder for acid to creep up your throat.
  • Good for Your Brain: Some new studies even suggest that sleeping on your side helps your brain do its nightly cleaning, flushing out waste products more efficiently. This is a big deal for long-term brain health.

Think of your spine as a carefully stacked tower of blocks. When you sleep on your side with proper supportβ€”a pillow between your knees and a pillow that fills the gap between your ear and shoulderβ€”you keep that tower straight and stable, preventing it from toppling and causing strain.

Of course, side sleeping isn't perfect. It can put a fair bit of pressure on your shoulders and hips, which is why a mattress with good cushioning is so important. Your pillow also plays a massive role in keeping your neck straight. For a deep dive on that topic, check out our guide on finding the best pillows for sleeping on your side.

Back Sleeping: The Spine’s Best Friend

Fewer people are natural back sleepers, but this position is often the one recommended by physios and chiropractors for a reason. When you lie flat on your back, your body weight is spread evenly across the widest part of your body, which drastically reduces pressure points. It's the easiest way to keep your head, neck, and spine in a healthy, neutral line.

The real trick is to let a supportive mattress do the heavy lifting, cradling the natural curves of your body. If you’re prone to waking up with aches and pains, this might just be the best sleeping position for you.

The Major Benefits of Back Sleeping:

  • Perfect Spinal Alignment: It’s the most straightforward way to keep your spine straight, which can seriously cut down on neck and back pain.
  • Less Joint Pressure: With your weight distributed so evenly, there’s far less direct force on your shoulders and hips than when you’re on your side.
  • Keeps Your Skin Clearer: This might sound like a small thing, but sleeping on your back means your face isn't smooshed into a pillow all night, which can help prevent sleep-related wrinkles.

The one big catch with back sleeping? It’s notorious for making snoring and sleep apnoea worse. When you’re on your back, gravity can cause your tongue to relax and fall back, partially blocking your airway. This is why doctors almost always tell people with serious snoring or sleep apnoea to start sleeping on their side.

If you are a back sleeper, try this simple pro tip: slide a small pillow under your knees. It’s a small adjustment, but it helps maintain the natural curve of your lower back, taking the pressure off and giving you the support you need.

Why Stomach Sleeping Is Best to Avoid

For those who love sleeping on their stomach, this might be tough to hear: it’s hands-down the riskiest way to sleep. It may feel cosy as you drift off, but that short-term comfort can directly cause the aches and pains you wake up with. Even though only a small number of adults sleep this way, it’s widely seen as the most problematic position for your long-term health.

The main issue comes down to simple mechanics. To breathe, you have to crank your head to one side, holding it in a twisted, unnatural position for hours. This puts a huge amount of strain on the muscles and ligaments in your neck, leading directly to that all-too-familiar morning stiffness, neck pain, and even tension headaches.

The Strain on Your Spine

It’s not just your neck that suffers. Your spine has a natural β€˜S’ shape for a reasonβ€”it’s designed to distribute weight and absorb shock. When you lie on your stomach, you essentially force that curve flat.

With your spine out of alignment, gravity goes to work, pulling your midsection down into the mattress. This creates a stressful arch in your lower back that can lead to nagging, persistent pain. Over time, you’re putting unnecessary pressure on your vertebrae and discs, which can contribute to more serious chronic issues down the road.

Think of your spine like a garden hose. When it has gentle curves, water flows freely. But if you put a sharp twist or kink in it, you pinch off the flow. Stomach sleeping creates that same kind of kink, putting stress on your joints and nerves all night long.

While it's true that this position can sometimes quieten snoring, the significant downsides for your neck and back make it a poor trade-off.

Taking the First Step to Change

If you've been a stomach sleeper your whole life, the thought of changing can feel impossible. But you don't have to switch overnight. The goal is to slowly encourage your body to accept a healthier position. Here are a few practical things you can try right away:

  • Use a thin pillow (or no pillow): If you find yourself on your stomach, using the thinnest pillow you can find (or none at all) will help reduce the severe angle of your neck. It’s a small change that can minimise the strain while you’re transitioning.
  • Place a pillow under your hips: Try sliding a relatively flat pillow under your pelvis. This props your hips up just enough to stop your lower back from sinking into that painful U-shape.
  • Try the "Freefall" position: This is a great halfway point. Lie on your stomach but pull one knee up towards your chest, almost like a runner. This slight twist in your hips starts to mimic side sleeping and can take a lot of pressure off your lower back.

How to Sleep Safely During Pregnancy

Pregnancy is a time of incredible change, and one of the biggest adjustments you’ll make is how you sleep. As your body works hard to nurture new life, the way you’ve always slept might suddenly become uncomfortableβ€”or even unsafe. The question of β€œwhat’s the best way to sleep?” takes on a whole new meaning when you're expecting.

For expectant mothers, the answer is clear and backed by a mountain of health advice: side sleeping is the way to go. Sleeping on your left side, in particular, is often called the gold standard. It helps maximise blood flow, ensuring your baby gets a steady supply of oxygen and nutrients. It also gives your kidneys a helping hand in clearing waste and fluids, which can help reduce that all-too-common swelling in your ankles, feet, and hands.

The Critical Shift to Side Sleeping

While you can usually sleep however you feel comfortable during your first trimester, things need to change as you head into your second and, especially, your third trimester. From 28 weeks of pregnancy onwards, health experts are crystal clear: it’s crucial to avoid sleeping on your back.

When you lie on your back, the weight of your growing uterus can press down on a major blood vessel called the inferior vena cava. This is the main vein that carries blood from your lower body back up to your heart.

Think of it like a foot resting on a garden hose. Even gentle pressure can significantly restrict the flow. In this case, that flow is absolutely vital for your baby’s health and well-being.

This is why switching to side sleeping isn’t just a friendly suggestion; it’s a simple change that has a profound impact on protecting your little one.

New Zealand’s Success Story

Here in New Zealand, we’ve seen just how powerful this advice can be. The 'Sleep-On-Side When Baby’s Inside' campaign, launched back in 2018, was a game-changer. A nationwide survey of 1,633 pregnant participants found that an overwhelming 98.2% were going to sleep on their side, with only 1.8% starting the night on their back.

This huge shift in behaviour shows how Kiwi mums have really taken this life-saving advice to heart. You can read the full findings of this fantastic New Zealand maternal health study to see the data for yourself. The campaign empowered so many women with the knowledge to make a safer choice, leading to better health outcomes across the country.

Making Side Sleeping Comfortable

Of course, knowing you should sleep on your side and actually doing it comfortably are two different thingsβ€”especially if you’re a natural back or stomach sleeper. The secret is to use pillows to prop yourself up and keep you from accidentally rolling over.

Here are a few practical tips to make side sleeping feel more natural:

  • Pillow Between the Knees: Tucking a firm pillow between your bent knees is a classic for a reason. It helps keep your hips aligned and takes the strain off your lower back.
  • Pillow Behind Your Back: A firm pillow or even a full-length body pillow wedged behind you acts as a buffer, making it much harder to roll flat in your sleep.
  • Support for Your Bump: As your baby bump gets bigger, you might find a small pillow placed underneath gives just the right amount of gentle support. A wedge-shaped pillow works perfectly for this.

A clever combination of pillows can completely transform your sleep, turning an awkward position into a secure and comfortable nest. For a few more ideas, you might want to read our guide on how a wedge pillow can improve your sleep. The goal is to create a supportive setup that not only keeps you on your side but helps you get the deep, restorative rest you and your baby need.

Matching Your Sleep Position to Your Health Needs

Think of your sleeping position as another tool in your health toolkit. Just as you might choose certain foods to feel more energetic, you can adjust how you sleep to manage specific health conditions. Your posture at night can be a surprisingly powerful way to find relief from common issues like back pain, snoring, and even the unique challenges of pregnancy.

It all comes down to aligning your body in a way that gives it the support it needs. This guide will walk you through how to connect your sleep position directly to your health, with clear, practical advice that can make a real difference.

Positions for Back Pain Relief

Waking up with a sore, stiff back is a miserable way to start the day. The good news is that the right sleeping position can bring almost immediate relief. The goal is always to maintain your spine’s natural curve, taking the pressure off the muscles and ligaments that have been working hard all day.

For anyone wrestling with back pain, two positions stand out:

  • Supported Side Sleeping: If you’re a side sleeper, try tucking a firm pillow between your knees. This simple trick is incredibly effective. It stops your top leg from sliding forward and twisting your spine out of alignment, keeping your hips and pelvis perfectly neutral.
  • Supported Back Sleeping: Prefer sleeping on your back? Place a small pillow or even a rolled-up towel under your knees. This small lift supports the natural curve in your lower back, instantly relieving the tension that often builds up overnight.

Your spine isn’t meant to be perfectly flat or bent at sharp angles. By using pillows to gently support its natural S-shape, you give your back the break it desperately needs to recover while you rest.

These small tweaks can completely change how you feel in the morning. For a deeper dive, you can also read our guide on finding the best mattress for back pain in NZ, which explores how your bed and sleeping style work together for ultimate support.

A flow chart titled 'Pregnancy Sleep Guide' advising on optimal sleep positions for pregnant women.

As you can see, the moment pregnancy becomes a factor, all roads lead to side sleeping. This isn't just about comfortβ€”it's the safest position for both mother and baby.

A Game-Changer for Snoring and Sleep Apnoea

If you or your partner struggles with snoring or sleep apnoea, changing position might just be the single most effective thing you can do. When you lie on your back, gravity is not your friend. It can cause your tongue and soft tissues in your throat to fall backward, partially blocking your airway.

That obstruction is what creates the rattling sound of snoring and the dangerous pauses in breathing that define sleep apnoea.

Switching to side sleeping is often a complete game-changer. In this position, gravity works for you, helping to keep your airway open and clear. For many people, this simple shift is enough to dramatically reduce or even stop snoring entirely.

Sleep Advice for Seniors

As we get older, quality sleep becomes even more vital for our health, yet it can feel harder to come by. The New Zealand Health Survey confirms this, with an analysis of over 40,000 Kiwi adults showing that while most older adults get a typical amount of sleep, a significant 7.4% experience very long sleep durations, and over a quarter report having sleep problems. You can explore the full sleep patterns of older New Zealanders in the published study.

Aches and pains can make finding a comfortable spot tricky for seniors. Back sleeping on a supportive mattress is great for distributing weight evenly across the body and easing pressure on sore joints. If snoring or acid reflux is also a concern, however, a well-supported side-sleeping position is often a better bet.

This is where an adjustable bed from New Zealand Bed Company can make all the difference, allowing you to fine-tune your posture by elevating your head or legs to find that perfect, pain-free position for a truly restorative night's rest.

How Your Bed and Pillow Support Your Sleep Position

A clean white pillow on a vibrant blue bed with a matching headboard in a bright bedroom.

Figuring out the best way to sleep is a fantastic start, but it's only half the battle. Think of your mattress and pillow as your body's support crew. Without the right gear, even a healthy sleeping posture can put strain on your muscles and spine, leaving you stiff and sore in the morning.

Your bed setup isn't just about comfortβ€”it's about providing the structural support your body needs to rest and recover. A mattress that’s too firm will jam up your joints, while one that’s too soft will let your spine sag out of alignment. The key is to match your gear to your body and sleeping style.

Aligning Your Bed with How You Sleep

What feels like a cloud for a back sleeper can feel like a concrete slab to a side sleeper. It’s all about creating an environment that works with your natural posture, not against it. Let's break down exactly what that looks like.

For side sleepers, the main challenge is accommodating the shoulders and hips. Since these are the widest parts of your body, they need to sink into the mattress just enough to let your spine form a perfectly straight line from your neck to your pelvis.

A medium-to-soft mattress usually hits the mark, offering enough give to cushion those pressure points. You’ll also need a thicker, firmer pillow to properly fill the space between your head and the mattress, preventing your neck from awkwardly cramping downwards.

A tell-tale sign of the wrong pillow for a side sleeper is a stiff neck. If your pillow is too flat, your head drops towards the bed all night. The goal is to keep your head supported as if you were standing up straight with perfect posture.

Back sleepers, on the other hand, have a different set of needs. The primary focus here is to maintain the natural 'S' curve of the spine without letting your lower back flatten out or your hips sink too low.

This is where a medium-to-firm mattress really shines. It provides robust support under the hips, which is crucial for preventing that all-too-common lower back ache. When it comes to pillows, less is definitely more. A thinner pillow is ideal, as it will cradle your head without pushing your chin towards your chest and straining your neck.

Finding Your Perfect Match at New Zealand Bed Company

We know that choosing the right bed can feel daunting, which is why we’ve tried to make it as straightforward as possible. Our online β€˜Shop by Feel’ filter lets you narrow down our mattresses by firm, medium, or soft, so you can instantly see the best options for your sleep style. If you want to dive deeper, you can learn more about why mattress firmness matters in our detailed article.

For sleepers needing that extra bit of targeted support, our Slumberzone range features specialised designs built to promote spinal health, making them a fantastic choice for anyone who struggles with back pain.

And if you want total control over your sleeping posture, an adjustable base is the ultimate upgrade. With the press of a button, you can elevate your head to reduce snoring or raise your legs to ease pressure on your lower back. It's a brilliant solution for seniors, those with acid reflux, or anyone who just wants to fine-tune their position for a perfect night’s sleep.

Your Questions About Sleeping Positions Answered

Thinking about changing how you sleep? It can feel like a big deal, and it usually brings up a lot of questions. To help clear things up, we've gathered the most common concerns people have when trying to find their ideal sleeping position.

How Can I Stop Sleeping on My Stomach?

Trying to quit stomach sleeping is a marathon, not a sprint. The real trick is to make side sleeping more inviting while making it harder to roll onto your front.

A great tactic is to use a firm body pillow pressed against your chest and stomach. This creates a physical buffer that gently stops you from rolling over in your sleep. Tucking another pillow between your knees will also make side sleeping far more comfortable by aligning your hips and taking pressure off your lower back. Be patient with yourselfβ€”it can take a few weeks for the new position to feel normal.

What Is the Best Sleeping Position for Lower Back Pain?

If you struggle with lower back pain, sleeping on your side with a decent pillow between your knees is one of the best things you can do. This simple adjustment helps keep your hips, pelvis, and spine in a nice, straight line, which lets your lower back muscles finally relax.

Are you a die-hard back sleeper? You can get a similar benefit by placing a small pillow under your knees. This helps maintain the natural curve of your lower spine and eases tension. The one position you should definitely avoid is sleeping on your stomach, as it almost always makes back pain worse.

The goal is to support your spine's natural curves, not flatten them. When you use pillows to fill the gaps and offer gentle support, you give your back muscles the chance to properly rest and recover overnight.

Does My Mattress Firmness Really Matter?

Yes, it absolutely does. Think of your mattress as the foundation for a good night's sleep. Its firmness level needs to work with your preferred sleeping position, not against it.

  • Side Sleepers: You’ll generally feel best on a softer surface (medium-soft to medium). This allows your shoulders and hips to sink in just enough to keep your spine straight.
  • Back Sleepers: You typically need a bit more support (medium to firm) to prevent your hips from sagging and to keep your lower back properly supported.
  • Stomach Sleepers: You require the firmest mattress you can find. This is crucial for preventing your torso from sinking, which creates a painful and unnatural arch in your spine.

Is Sleeping on the Left Side Really Better?

For some people, it certainly can be. If you get acid reflux, sleeping on your left side is often recommended. Thanks to the shape and position of our stomachs, this posture can help keep stomach acid from creeping up your oesophagus and causing heartburn. It's also the go-to position during pregnancy as it can improve circulation for both mother and baby.

For most of us without those specific concerns, though, sleeping on either side is a fantastic choice. Beyond just your position, exploring other ways to improve sleep quality can make an even bigger difference to how you feel each morning.


At New Zealand Bed Company, we know that the right bed is the key to unlocking better sleep. From supportive mattresses designed for every sleep position to adjustable bases that offer personalised comfort, our expert team can help you find the perfect setup for a restorative night’s rest. Explore our range online or visit us in-store to start your journey to better sleep today.

https://nzbeds.co.nz