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Side sleeping is one of the most natural ways to rest. In fact, according to the Sleep Foundation, it is also the most common, with more than 60% of adults sleeping this way.1 Yet side sleeping asks more from your mattress than any other position.
The right design should quietly support your body's natural curves, cushioning where you need softness and holding firm where you need structure. The King Living Sleep+ Mattress is built around this balance. With customisable comfort layers that can be tailored to each side of the bed, it allows you to refine your level of support over time.
Whether you're seeking relief from pressure points, sharing a bed with someone whose sleep style differs from yours, or simply searching for better rest, discover the best mattress options for your body's needs.
- Understanding what your body needs as a side sleeper
- Finding the ideal mattress firmness for your sleeping style
- How the Sleep+ Mattress lets you customise your comfort
- Easing shoulder, hip and back pressure at night
- Sharing a bed when your partner sleeps differently
- Testing if your King Living mattress is right for you
1. Understanding what your body needs as a side sleeper
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Did you know? Side sleepers are most comfortable on a slightly softer mattress that cushions the shoulders and hips to reduce pressure and keep the spine aligned. |
When you sleep on your side, the body rests on a narrower profile. The shoulders and hips become the main contact points, so any sharp pressure here can lead to pins and needles, aching joints or tension through the neck. According to Harvard Health, when your posture is supported correctly, side sleeping can ease breathing, snoring, and promote more settled digestion.2
For many people, this position feels most comfortable when the mattress softly contours to your shape, cradling the shoulders and hips. This keeps the spine aligned instead of letting the body twist or sink, while the waist and lower back stay gently cushioned and stable.
2. Finding the ideal mattress firmness for your sleeping style
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Key takeaway for side sleepers: The best mattresses for side sleepers are the King Living Sleep+ 9008, Sleep+ 8000, and Sleep+ 6000, all offering multiple comfort layers to choose from including soft, medium and firm options, so you can tailor the feel to the way you sleep. |
A simple way to judge whether your mattress firmness is working for you is how you feel in the morning. An article by Health explains, if the foam is too dense, you may notice soreness around the joints. If it is too soft, your waist may dip and your lower back can feel strained.3
Side sleepers are often most comfortable on a mattress with a soft or medium-soft feel. This level of firmness helps reduce joint pressure through the shoulders and hips while still maintaining spinal alignment, so you feel cushioned yet supported.
Look for comfort layers that combine contouring foams, such as memory foam or a hybrid pairing of memory foam and natural latex.*
Because comfort also varies with body shape, personal preferences and specific support needs, explore the find your perfect comfort layer section on our website for personalised guidance.
3. How the Sleep+ Mattress lets you customise your comfort
Every side sleeper is different, which is why the King Living Sleep+ Mattress is designed as a modular system. You can personalise your comfort in three key ways:
- Adjustable firmness with interchangeable comfort layers that let you fine tune softness or support as your needs change. Featuring Dual Comfort Layers, the King Living Sleep+ 7000A, Sleep+ 8000, and Sleep+ 3000 mattresses can be reversed to alternate between a firm or soft side.
- Breathable construction with a flexible mesh cover that promotes air circulation, wicks away moisture for a cooler, cleaner sleep surface and keeps the KingCell Base securely in place.
- Seasonal temperature control with customisable Fit Covers for warmer months and colder nights, crafted from a luxuriously soft, breathable knitted fabric that can be removed for machine washing.*
Shop the Sleep+ Mattress 
4. Easing shoulder, hip and back pressure and pain at night
Harvard Health say persistent tension through the shoulders, hips or lower back is often a sign that your mattress is not relieving pressure effectively.4 For side sleepers, a supportive design should cradle the joints, keep the spine neutral and allow muscles to release fully during the night.
The Sleep+ Mattress comfort layers are created with this in mind. Gel memory foam helps distribute weight more evenly, softening areas of high pressure and increasing blood circulation, while hybrid and natural latex* options provide a gentle lift through the lumbar region, relieving joint pains.
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Best mattress materials to ease pressure for side sleepers:
*Please note: comfort layers and material options vary by market with select options only available in Australia. |
5. Sharing a bed when your partner sleeps differently
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Did you know? One of the most effective solutions to partner disturbance is to invest in a motion-isolating mattress. The best mattress to reduce partner disturbance is the King Living Sleep+ 8000 Mattress. |
It is rare for two people to share the same sleep style. One partner may prefer the cocooning feel of a softer mattress for side sleeping, while the other feels best lounging on their back on a slightly firmer surface. When everyone lies on a single comfort level, someone usually compromises.
The cause of partner disturbance can differ:
- A partner shifting in their sleep or tossing and turning through the night
- Mismatched sleep schedules such as shift work
- More serious concerns like sleep apnea, insomnia or restless leg syndrome
Designed with individual coil systems, memory foam layers and targeted pressure-relief zones, the King Living Sleep+ Mattress helps minimise movement across the bed. If your partner changes positions or gets in and out during the night, motion stays contained, so your sleep remains undisturbed.
For side sleepers based in Australia, the Dual Side Hybrid Comfort option in the Sleep+ 8000 Mattress is designed to restore harmony.* Each half of the design can be configured to a different firmness level, with a beautifully blended zone through the centre for continuous support.
6. Testing if your mattress is right for your needs
The Sleep+ Mattress gives you space to discover what works best:
- A 120-night trial allows you to experience different comfort layers in your own bedroom, with the option to return it for a full refund if it’s not the right fit.
- A 15 year warranty offers further peace of mind that your chosen mattress is made for long term support and restful, restorative sleep. See warranty details here.
If you still have questions or considerations about which mattress will support you best as a side sleeper, the guides below offer a simple place to begin:
Shop the Sleep+ Mattress by size:
- King size Sleep+ Mattress
- Queen size Sleep+ Mattress
- Double size Sleep+ Mattress
- Super king size Sleep+ Mattress
- King single size Sleep+ Mattress
Sources:
1 Sleep Foundation, Best Sleeping Positions, 2025
2 Harvard Health Publishing, Is your sleep position helping or hurting you?, 2025
3 Health, 3 Signs Your Mattress Is Too Soft, 2025
4 Harvard Health Publishing, Is your sleep position helping or hurting you?, 2025
*Please note: comfort layers, Fit Covers, and material options vary by market with select options only available in Australia. Explore online for details.
