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4.8
Haven Sleep Co.
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4.8 on Google

150,000+ customers. Google reviews on every page — G icon, names, cities.

Free white-glove delivery

Uncompressed beds on the slats. Boxed mattresses ship free.

100% comfort guarantee

100–365 night trials. Keep the law tag. We book pickup.

Price guarantee

Queen on the card. List vs Haven price. No mystery discount.

Google reviews4.8

Alicia M. · “Shoulder pain actually eased

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4.8 on Google from 150,000+ customers — mattresses, frames, and bedding, rated where people actually leave reviews.

Google reviews
Twin XL mattress on a platform bed in a bright bedroom

Shop by size

Twin XL mattresses

38 × 80 inches — dorm length, Split King ready. 20 beds with Twin XL on the card, sale math you can read, and trials attached. From $300.

Width × length
38 × 80
Vs Twin
+5" long
Split King
2 × Twin XL

Twin XL collection

20 mattresses

Twin XL questions, answered

Same FAQ topics you see on big-box Twin XL aisles — written so the size chart and the cart agree.

What is the size of a Twin XL mattress?

Twin XL is 38 inches wide by 80 inches long. Same width as Twin, five inches longer — the dorm and Split King standard.

What is the difference between Twin XL and Twin?

Width is identical (38"). Twin is 75" long; Twin XL is 80". Tall sleepers and college frames need Twin XL. Regular Twin sheets will not fit the length.

Does a Twin XL mattress fit a regular Twin frame?

Usually no. Twin XL needs a Twin XL or Split King foundation. An overhanging mattress can void the warranty and feel unstable.

What room size do I need for a Twin XL?

Footprint is still narrow — about 38 × 80. It fits dorms, small bedrooms, and side-by-side as Split King (76 × 80).

What are the benefits of a Twin XL mattress?

Extra length for tall sleepers, dorm compatibility, and Split King setups where each person picks firmness and an adjustable base side.

Is there a height limit for Twin XL?

No strict height rule — the length helps people over about 5'10". Measure your frame deck before ordering.

Informational

How Haven works

Match the problem, confirm the size, read the delivery note. Specs stay on the page — not behind a chat bot.

How to order

Commercial

Shop by sleep problem

Back pain, heat, pressure, heavier builds, partner movement. Then pick a named mattress — Nectar to Saatva.

See solutions

Transactional

Add Queen to cart

Free shipping. Trial 100–365 nights. SKU on the card. Keep it only if mornings improve.

Shop mattresses

Inspired by public Twin XL listings such as Mattress Warehouse Twin XL. Prices on Haven cards are demos for this storefront.