Quick Answer

Yes, memory foam is often an excellent choice for side sleepers because it conforms closely to the body’s curves, helping relieve pressure on the shoulders and hips. By evenly distributing body weight, memory foam can reduce pressure points, improve spinal alignment and help side sleepers wake up with less discomfort.

However, not all memory foam mattresses are created equal. The best memory foam mattress for side sleepers should provide a balance of pressure relief and support, ensuring that the shoulders and hips can sink in comfortably without allowing the body to sag too deeply.

Why Mattress Choice Matters for Side Sleepers

Side sleeping is one of the most popular sleep positions, but it places more pressure on certain parts of the body than back or stomach sleeping.

When sleeping on your side, most of your body weight is concentrated on two areas:

Shoulders
Hips

If a mattress is too firm, these areas can experience excessive pressure, leading to discomfort, numbness and poor sleep quality.

If a mattress is too soft, the hips can sink too deeply, causing spinal misalignment and lower back pain.

The ideal mattress for side sleepers should:

Cushion the shoulders and hips
Promote proper spinal alignment
Minimize pressure points
Reduce tossing and turning
Support healthy sleep posture

Memory foam excels in many of these areas.

How Memory Foam Helps Side Sleepers

Excellent Pressure Relief

One of the biggest advantages of memory foam is its ability to contour around the body’s natural curves.

Unlike traditional innerspring mattresses, memory foam responds to body weight and temperature, allowing it to mold around the shoulders, hips and waist.

This contouring effect helps:

Reduce pressure buildup
Improve circulation
Decrease nighttime discomfort
Minimize joint pain

For side sleepers who frequently wake up with sore shoulders or hips, memory foam can provide significant relief.

Better Spinal Alignment

Proper spinal alignment is essential for healthy sleep.

A quality memory foam mattress allows the wider parts of the body, such as the shoulders and hips, to sink in slightly while supporting the waist and lower back.

This helps keep the spine in a more neutral position throughout the night.

When the spine remains aligned:

Back pain may be reduced
Muscle tension decreases
Sleep quality improves
Morning stiffness becomes less common

Reduced Motion Transfer

Memory foam absorbs movement exceptionally well, making it one of the best mattress materials for couples who are sensitive to motion transfer.

When one person changes positions or gets out of bed, the motion is less likely to disturb their partner.

Potential Drawbacks of Memory Foam for Side Sleepers

Although memory foam offers many benefits, there are a few considerations.

Heat Retention

Traditional memory foam mattresses were known for trapping heat.

Modern memory foam mattresses often include:

Cooling gel infusions
Open-cell foam designs
Ventilated foam layers
Hybrid constructions with pocket coils

Hot sleepers should look for mattresses specifically designed with cooling technologies.

Feeling “Stuck”

Some people enjoy the deep contouring sensation of memory foam, while others feel it restricts movement.

If you prefer sleeping “on” the mattress rather than “in” it, a memory foam hybrid mattress may be a better option.

Not Ideal for Every Weight Range

Body weight can affect how memory foam performs.

Generally speaking:

Lightweight sleepers often prefer softer memory foam.
Average-weight sleepers typically do well with medium or medium-soft comfort levels.
Heavier sleepers may require firmer support layers or hybrid designs to prevent excessive sinkage.

What Firmness Is Best for Side Sleepers?

For most side sleepers, a mattress that falls between medium-soft and medium-firm provides the best balance of comfort and support.

Recommended Firmness and Mattresses by Body Weight

Under 150 lbs

Recommended firmness:

Soft to Medium-Soft

Recommended mattresses:

150–230 lbs

Recommended firmness:

Medium

Recommended Mattresses:

Over 230 lbs

Recommended firmness:

Medium-Firm to Firm Hybrid

Recommended Mattresses:

Memory Foam vs Hybrid Mattresses for Side Sleepers

Many shoppers wonder whether a memory foam mattress or hybrid mattress is better for side sleeping. Here are some of the pro’s and con’s for each.

Memory Foam Mattress

Pros:

Outstanding pressure relief
Excellent motion isolation
Deep contouring comfort

Cons:

May retain more heat
Can feel less responsive

Hybrid Mattress

Pros:

Better airflow
Improved edge support
Easier movement

Cons:

Usually more expensive
Motion isolation may be slightly reduced

At Sleep Masters Canada, we tend to prefer and recommend a hybrid mattress, over a completely foam based memory foam mattress for most people.

Signs Your Current Mattress Is Not Supporting Your Side Sleeping Position

You may need a new mattress if you regularly experience:

Shoulder pain when waking up
Hip discomfort
Arm numbness
Lower back pain
Frequent tossing and turning
Pressure points during sleep
Visible mattress sagging

These symptoms often indicate that your mattress is either too firm or no longer providing adequate support.

Frequently Asked Questions

Is memory foam better than spring mattresses for side sleepers?

A memory foam mattress can work great for you, but for most people we recommend a hybrid mattress combining pocket coils with memory foam layers above. We believe that this provides the best of both worlds in terms of support and pressure relief. Not to mention, hybrid mattresses will also breathe better!

Can memory foam help shoulder pain?

Yes. Memory foam can reduce pressure on the shoulders by conforming to the body’s shape, which may help alleviate discomfort and improve sleep quality.

Is memory foam good for hip pain?

Memory foam can help reduce hip pressure by distributing body weight more evenly across the mattress surface.

What type of memory foam is best for side sleepers?

High-quality memory foam with a medium comfort level typically works best. Gel-infused and open-cell memory foams can also improve cooling performance.

Are hybrid memory foam mattresses good for side sleepers?

Yes. Hybrid mattresses combine pressure-relieving foam layers with supportive pocket coils, making them an excellent choice for many side sleepers.

Final Verdict: Is Memory Foam Good for Side Sleepers?

Yes, memory foam is one of the best mattress materials for side sleepers. Its ability to contour around the shoulders and hips helps reduce pressure points, improve spinal alignment, and create a more comfortable sleep experience.

For most side sleepers, a medium or medium-soft memory foam mattress provides the ideal balance of cushioning and support. Those who sleep hot or prefer a more responsive feel may benefit from a hybrid mattress that combines memory foam comfort layers with individually wrapped pocket coils.

If you frequently wake up with shoulder pain, hip discomfort, or numbness, upgrading to a quality memory foam mattress could significantly improve your comfort and sleep quality.