Twin bed specifications

Twin bed specifications can help you compare dimensions, compatibility and other important details when shopping for a twin bed. Explore the information you need to find a setup that fits your space, sleep preferences and bedroom needs.

Sort & Filter

Sleepy's Basic Box Spring Foundation

10608

Starting at

$169⁹⁹

Sleepy's Basic Innerspring Firm Mattress

8676

Starting at

$249⁹⁹

Firm Comfort, best for

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

Beautyrest PressureSmart 2.0 Plush 11.75" Mattress

6251

Starting at

$599⁹⁹

$1199⁹⁹

$600 OFF

Plush Comfort, best for

Side Sleepers
Temperature
Bed Partner
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's Universal Box Spring Foundation

6346

Starting at

$219⁹⁹

Serta Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

2615

Starting at

$999⁹⁹

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 Firm 2.0 Innerspring Mattress

7001

Starting at

$449⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Beautyrest Greenwood 10.5" Firm Mattress

3368

Starting at

$339⁷⁷

$849⁹⁹

$510 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Toss and Turn
Temperature
Bed Partner

Tempur-Pedic Charcoal Box Spring Foundation

1346

Starting at

$255⁰⁰

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2784

Starting at

$919⁹⁹

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3296

Starting at

$1199⁹⁹

Extra Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 11.25" Firm Mattress

2233

Starting at

$899⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tulo Bamboo 10" Medium Green Tea Memory Foam Mattress

5555

Starting at

$569⁹⁹

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

$629⁹⁹

Medium Comfort, best for

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

Tempur-Pedic Ultra Low Profile Foundation

322

Starting at

$255⁰⁰

Sleepy's Elite Adjustable Base

1129

Starting at

$1199⁹⁹

Save $299 with qualifying mattress purchase. Code: ELEVATE

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1810

Starting at

$1399⁹⁹

Extra Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Pain
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tulo Bamboo 8" Medium Green Tea Memory Foam Mattress

5555

Starting at

$499⁹⁹

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

$799⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Purple Original Mattress

59743

Starting at

$1040⁰⁰

$1299⁰⁰

$259 OFF

Medium Comfort, best for

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

Sealy Essentials Winter Green 13" Plush Euro Pillow Top Mattress

548

Starting at

$1059⁹⁹

Plush Comfort, best for

Side Sleepers
Bed Partner
Pain
Temperature
Toss and Turn
Allergies

Beautyrest BR800 12" Plush Euro Top Mattress

735

Starting at

$1099⁹⁹

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

603

Starting at

$849⁹⁹

Medium Comfort, best for

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

Serta Perfect Sleeper Nurture Night 12" Firm Mattress

1186

Starting at

$599⁰⁰

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 12" Plush Mattress

1140

Starting at

$1159⁹⁹

Plush Comfort, best for

Side Sleepers
Temperature
Pain
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's Signature Harper Headboard

121

Starting at

$240⁸²

$283³²

$43 OFF

Sleepy's Basics Metal Platform Bed

111

Starting at

$161⁴⁸

$189⁹⁹

$29 OFF

A standard twin mattress measures approximately 38 inches wide by 75 inches long, making it one of the most space-efficient mattress sizes for bedrooms, guest rooms, dorm rooms and shared sleeping spaces. Twin beds are typically designed for one sleeper and provide enough surface area for children, teens and many adults, although taller sleepers may prefer a Twin XL mattress. A twin bed frame, platform bed or adjustable base should match these mattress dimensions to provide proper support and prevent shifting. Twin mattresses are available in a variety of comfort levels and materials, including memory foam, innerspring and hybrid designs, so shoppers can choose the right balance of pressure relief, support and temperature control for their sleep needs. Twin XL mattresses share the same 38-inch width as standard twin mattresses but measure approximately 80 inches long, providing an additional five inches of legroom. This twin bed size is especially popular in college dorm rooms, narrow bedrooms and guest spaces where floor area is limited but extra length is helpful. Twin and Twin XL bedding are not interchangeable, so shoppers should select sheets, mattress protectors, comforters and bed frames that correspond to the exact mattress dimensions. Measuring the available room, checking doorways and accounting for the height of the mattress, foundation and headboard can also help ensure the complete twin bed fits comfortably and works well with the rest of the bedroom furniture.

What materials are commonly used in twin beds? + -

Twin beds may feature materials such as solid wood, metal, engineered wood or upholstered fabrics. The product specifications list the materials used for the frame, headboard, footboard and support components.

What types of mattresses are compatible with twin beds? + -

Twin beds are generally designed for twin mattresses, including innerspring, memory foam, hybrid and latex options. Check the bed’s specifications to confirm the required mattress type and support system.

What support systems are available for twin beds? + -

Common support systems include slats, platform surfaces, foundations and box springs. The specifications should explain whether a separate foundation is needed and how the mattress is supported.

What features can twin bed frames include? + -

Features may include a headboard, footboard, underbed storage, drawers, adjustable components or a built-in platform. Review the product details to see which features are included.

What should I look for in twin bed specifications? + -

Review the listed materials, assembly requirements, support system, included components, finish and care instructions. These details can help you compare twin bed options and choose one that fits your room and preferences.