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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Perfect Sleeper Hybrid Mattress
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Colors
Mattress
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Sizes
- Twin
- Twin XL
- Full
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Perfect Sleeper Sleep Excellence
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Colors
Mattress
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Sizes
- Twin
- Twin XL
- Full
Size
- Twin (28)
- Twin XL (16)
- Full (6)
Product type
- Mattress (5)
Twin size mattress frequently asked questions
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.
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.
ALWAYS COMFORTABLE
Rest easy with a mattress company you can trust

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

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

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.

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