Twin Size Mattresses

As the smallest bed size available in our online line-up it is a classic go-to for kids and single sleepers or for guest rooms, daybeds, and bunk beds.

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Comfortable mattress with playful sheep design
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Comfortable mattress with playful sheep design
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Serta Classic Mattress

Serta classic dorian firm mattress sitting in a beige bed frame ||feel: firm||level: standard Serta classic brecon firm mattress sitting in a beige bed frame ||feel: firm ||level: enhanced

  • Colors

Mattress

  • Sizes

  • Twin
  • Twin XL

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Perfect Sleeper Hybrid Mattress

Serta Perfect Sleeper hybrid firm mattress on beige bed||feel: firm||level: enhanced Serta Perfect Sleeper hybrid plush mattress on beige bed||feel: plush||level: enhanced

  • Colors

Mattress

  • Sizes

  • Twin
  • Twin XL
  • Full

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Perfect Sleeper Innerspring Mattress

Serta Perfect Sleeper firm mattress in bedroom on beige bed||feel: firm||level: standard Serta Perfect Sleeper plush mattress in bedroom on beige bed||feel: plush||level: standard

  • Colors

Mattress

  • Sizes

  • Twin

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Serta iSeries Hybrid

A wooden bed with a Serta iSeries firm blue mattress, 2 beige pillows on top of it||feel: firm||level: enhanced A wooden bed with a Serta iSeries medium blue mattress, blue and beige pillows||feel: medium||level: standard

  • Colors

Mattress

  • Sizes

  • Twin
  • Twin XL
  • Full

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Perfect Sleeper Sleep Excellence

The Serta Perfect Sleeper Sleep Excellence mattress in a bedroom on a white bed | feel: Extra Firm The Serta Perfect Sleeper Sleep Excellence mattress in a bedroom on a white bed | feel: Firm

  • Colors

Mattress

  • Sizes

  • Twin
  • Twin XL
  • Full

Size

  • Twin (28)
  • Twin XL (16)
  • Full (6)

Product type

  • Mattress (5)

Twin size mattress frequently asked questions

What size is a Twin bed?

Approx. Dimensions: 38” x 74.5” / 2,831 sq in / 19.7 sq ft

Twin sizes are approximately 38” wide by 74.5” long, give or take a bit, which equates to approximately 2,831 square inches and 19.7 square feet.

Want to learn more about the different sizes we offer, check out our mattress size guide.

What's the difference between Twin XL and Twin sizes?
A twin is approximately 5 inches shorter than a twin XL, they are the same width.
Who should sleep on Twin sizes? Can adults?
Standard twins are optimal for children and teens, especially those with limited bedroom space. As far as adults go, yes they can sleep on a twin, however it may feel too small for them to comfortably sleep on, therefore if space is an issue, we would recommend going with a Twin XL for an adult.
Is a Twin big enough for 2 adults to sleep on?
While 2 adults could possibly fit on one, they wouldn’t be comfortable sleeping on it due to its limited width.
What size bed should come after a crib/toddler bed?
If your child's room is on the smaller side and they have outgrown their crib/toddler bed, we recommend the next step be a twin.
Should I buy a Twin sized mattress online or in-store?
It all comes down to your personal preference. If you are an online shopper and love the convenience of buying and then receiving products right from the comfort of your own home, online is the way you should go. Also, Serta offers a 120 day in home trial plus free shipping. However, if you are someone that wants to try out the bed before you buy it and likes to talk through the product with a salesperson in real time, going to a mattress store might be the way you want to go.
Are Twin beds also called single beds?
Yes, they are one in the same. They are just two different terms that describe the same size of mattress.
Do you ship internationally?
Directly on our website, we only ship within the United States, to the lower 48 states. At this time we do not offer shipping to Alaska or Hawaii.
Do you offer financing?

Financing is available directly through our website. We have partnered with Affirm to offer financing or pay-over-time options for our customers. At checkout, you will be given the option to pay through Affirm. If approved, you will be given loan options for 3, 6, or 12 months. All interest is provided up front, there are no hidden fees, and only a soft credit check is done through Affirm's system for approval. After you've confirmed your choice, you will be redirected back to our website to complete checkout.

Affirm only requests a soft credit check for approval, so the credit inquiry won’t affect your credit score. Once you've selected your financing term, you will be redirected back to the website to complete your purchase.

For returns and cancellations, refunds will be processed through Affirm and posted to your Affirm account. Refunds will be processed within 3-10 business days. Keep in mind the interest charge will not be refunded.

Please note that financing through Affirm is not available in West Virginia and Iowa.

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ALWAYS COMFORTABLE

Rest easy with a mattress company you can trust

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120-day trial

If you’re not completely satisfied, you can exchange or return it for a refund.

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Free shipping and returns

All products ship free and feature free returns when you order directly from Serta.com.

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10-year limited warranty

You should be able to rely on the quality of your rest. That’s why every Serta® bed is backed by our hassle free warranty.

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Monthly financing with Affirm

Quick, simple financing options with Affirm. Apply at checkout.

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Comfortable mattress with couple and cat

SHOPPING YOUR WAY

Try out a Serta in-store, hassle-free

Want to test out and feel our products before you buy? Our Sleep Ambassadors will offer you a personalized, no-pressure in-store experience. Visit a store near you today.

Store Locator

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