Twin Size Mattress for Kids

Find the right Twin Size Mattress for Kids at Mattress Firm. Explore comfortable, supportive options in a kid-friendly size and compare mattresses designed to fit growing sleepers, bedrooms and budgets. With expert guidance and convenient shopping options, it’s easy to find a mattress that helps your child get better zzz's.

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Sleepy's By Sealy Memory Foam Medium Mattress

3474

Starting at

$409⁹⁹

$709⁹⁹

$300 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Bed Partner
Toss and Turn
Temperature

Sleepy's Basic Memory Foam Firm Mattress

3213

Starting at

$179⁷⁷

$599⁹⁹

$420 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn
Support

Sleepy's By Sealy Memory Foam Plush Mattress

2776

Starting at

$499⁹⁹

$799⁹⁹

$300 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Toss and Turn
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

2615

Starting at

$599⁹⁹

$999⁹⁹

$400 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Toss and Turn
Temperature
Bed Partner

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's Rest Medium Innerspring Mattress

7001

Starting at

$201⁰⁰

$729⁹⁹

$529 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Sleepy's Basic Foam Mattress

1412

Starting at

$139⁹⁹

$349⁹⁹

$210 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

Beautyrest PressureSmart 2.0 Hybrid Medium 13" Mattress

1758

Starting at

$874⁹⁹

$1749⁹⁹

$875 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Bed Partner
Temperature
Allergies
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tulo Bamboo 10" Medium Green Tea Memory Foam Mattress

5555

Starting at

$239⁹⁹

$569⁹⁹

$330 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Bed Partner
Temperature
Allergies
Toss and Turn

Tulo Bamboo 12" Medium Plush Green Tea Memory Foam Mattress

5555

Starting at

$269⁹⁹

$629⁹⁹

$360 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Bed Partner
Pain
Temperature
Toss and Turn

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1863

Starting at

$509⁹⁹

$919⁹⁹

$410 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tulo Bamboo 8" Medium Green Tea Memory Foam Mattress

5555

Starting at

$199⁹⁹

$499⁹⁹

$300 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1745

Starting at

$619⁹⁹

$749⁹⁹

$130 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Allergies
Bed Partner
Temperature
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's By Sealy Slumber Cushion Firm Mattress

301

Starting at

$1289⁹⁹

Medium Comfort, best for

Back, Side, Stomach Sleepers
Bed Partner
Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

603

Starting at

$474⁹⁹

$849⁹⁹

$375 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn
Allergies

Serta Perfect Sleeper Elkins III 11" Plush Euro Top Mattress

1610

Starting at

$364⁹⁹

$729⁹⁹

$365 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Toss and Turn
Bed Partner

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Essentials Spruce 5.5" Firm Mattress

1371

Starting at

$349⁹⁹

$549⁹⁹

$200 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

A twin size mattress is a practical choice for kids because it provides enough room for growing bodies while fitting comfortably in bedrooms, shared spaces and bunk bed setups. Measuring approximately 38 inches wide by 75 inches long, a twin mattress offers a supportive sleep surface without taking up as much space as a full or queen mattress. Look for a kids’ twin mattress with a comfortable feel, durable construction and reliable support for children who sleep in different positions. Memory foam can provide pressure-relieving comfort, while innerspring and hybrid mattresses offer responsive support and airflow. Choosing a high-quality twin size mattress can help create a comfortable sleep environment that supports your child through school-age years and beyond. The best twin mattress for kids should match your child’s comfort preferences, sleeping position and bedroom setup. A medium-firm mattress is often a versatile option for growing children because it balances cushioning with support, but every child may prefer a different feel. Consider features such as breathable materials, edge support, motion isolation and a removable, washable mattress protector to help keep the bed fresh and comfortable. If you are shopping for a twin mattress for a bunk bed, daybed or trundle, confirm the bed frame’s size and weight requirements before purchasing. Mattress Firm offers twin size mattresses from trusted brands, making it easier to find an affordable, comfortable option for better zzz's and a more restful night.

What mattress materials are available for kids? + -

Kids’ mattresses are available in materials such as memory foam, innerspring and hybrid designs. Each option offers a different feel and construction, so consider your child’s comfort preferences and the type of support they enjoy.

What mattress firmness is best for a child? + -

The right firmness depends on your child’s comfort preferences and sleep style. A medium feel is a versatile choice, while children who prefer a softer or firmer surface may enjoy a mattress designed for that feel.

Are memory foam mattresses a good choice for kids? + -

Memory foam mattresses can be a comfortable option for kids who enjoy a cushioning, contouring feel. Look for a design with the comfort and support features that suit your child’s preferences.

What should I look for in a mattress for a growing child? + -

Consider a comfortable feel, supportive construction and durable materials that can accommodate changing preferences over time. It can also help to involve your child in choosing the feel they like best.

How do I choose a mattress for a child who sleeps in different positions? + -

A versatile medium-feel mattress can be a practical starting point for children who change positions throughout the night. Side sleepers may prefer more cushioning, while back and stomach sleepers may like a more supportive feel.