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Best mattress under $400

Looking for mattresses for your kids or the bunk beds? You're in the right place! Measuring 75 inches in length and 38 inches in width, twin size, the smallest of all standard sizes, might be the best fit for your needs. Below are two of our twin size mattresses, both of which deliver supportive softness right for solo sleepers from toddlers and teens.  

Best SweetNight mattress under $400

Product Details:

Best mattress under $400 | Sweetnight

Ocean Blue 8-Inch Twin Hybrid Mattress

From

Mattress type: hybrid

Firmness: medium firm

Trial length: 100 nights

Who it's best for:

  • Back and stomach sleepers
  • The elderly and teens
  • Those who prefer firmer support

Highlights:

  • Resilient pocket spring support core
  • Strong edge support for getting in/out of the bed easily
  • Cooling gel top layer and pocket coil design enhance airflow

What Our Customers Thought

“This bed is the most comfortable I have ever slept in. Also looks very beautiful, soft hard moderate, anti - mite anti - bacteria. It's nice to be in bed every day now. The bed also has a nice notebook gift, my girlfriend and I are very satisfied. Five stars!”

Best mattress under $400 | Sweetnight

Dreamy Hybrid 8-Inch Twin Mattress

From

Mattress type: foam

Firmness: medium soft

Trial length: 100 nights

Who it's best for:

  • Single sleepers, toddlers or teens
  • Those with back pain
  • Sleepers prefer bouncy back support

Highlights:

  • Balanced softness and bouncy support
  • Zoned pocket coil for targeted support and pressure relief
  • Foam encasement edge support

What Our Customers Thought

“Very comfortable and perfect size. A little bit softer than my old mattress, but generally the quality is good!”

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