Latex over foamBrand product imageGeneric illustration · not a product photograph
Somnum Discovery (truck sleeper)
Best for: Truck sleeper, 5″ Indura + 3″ latex foam
A 10″ Somnum semi-truck mattress sold as a replacement part in 36 × 76, 38 × 80, 42 × 80.
Good to know: Only out-of-stock listings remain, and the store page has no specs, warranty or trial beyond the title.
- Type
- Latex hybrid
- Height
- 10″
- Sizes
- 3 ready-made
The short version
Worth a look if
- Truck sleeper, 5″ Indura + 3″ latex foam
Good
- A 10″ Somnum semi-truck mattress sold as a replacement part in 36 × 76, 38 × 80, 42 × 80.
- Trial: No sleep trial. Lippert store return policy: 30 days to request a return, like-new and resaleable, 20% restocking fee and return shipping deducted
- Height: 10″
- Sizes: 36 × 76, 38 × 80, 42 × 80
Think about
- Only out-of-stock listings remain, and the store page has no specs, warranty or trial beyond the title.
- No owner reviews we could verify yet
Based on the maker’s published specs and terms, and the owner reviews linked below. We haven’t slept on it. Something wrong? Tell us.
What owners say
No owner reviews we can verify yet A small set of real reviews, each linked to its source. Not a star rating.
No owner feedback found.
What people liked
No supported praise summary in the sample.
What to weigh up
No substantive concern verified in this small sample. This is a gap in the evidence, not proof of no drawbacks.
Sources & sample limits
none found Sample: 0 owner reports.
Searches of Reddit and TruckersReport found no driver posts about Somnum mattresses; only 2017–2018 trade-press launch articles.
Research checked October 14, 2026. These are sourced observations, not our own product tests or a star rating.
Every size it comes in
Taken from the maker’s size options, in the inches it publishes. Tap a size to compare every mattress made in it. Sizes marked “as listed” don’t exactly match a standard size, so check your frame.
How it compares
Beside the most similar mattresses from other brands.
| Somnum Discovery (truck sleeper)Lippert | 8.5-inch Latex with Organic CottonMattress Insider | RV MattressTurmerry | Organica (Medium)Amerisleep | |
|---|---|---|---|---|
| Type | Latex hybrid | Latex over foam | Latex | Latex hybrid |
| Queen price | — | — | $1,499 | — |
| Height | 10″ | 8.5″ | 7″ or 10″ | 12″ |
| Trial | See terms | 365 nights | 30 nights | 100 nights |
| Odd sizes | 1 | 12 | 11 | None |
| Expert reviews | None yet | None yet | None yet | 3 |
What’s inside
- 13″ latex foam
- 25″ Indura foam
- Feel
- Not published
- Height
- 10″
- Custom sizes
- Not offered for this model
Complete the bed
Odd sizes need everything else in the same inches. Here’s what we have for this mattress’s odd sizes.
Truck sleeper 42 × 80 · 42 × 80
Returns and ordering
Trial and returns
No sleep trial. Lippert store return policy: 30 days to request a return, like-new and resaleable, 20% restocking fee and return shipping deducted
Before you order
- Measure inside the frame, not the old mattress
- Check clearance above for the height you pick
- Make sure your base supports it
- Buy sheets in the same exact size
Questions
What is it made of?
Semi-truck sleeper mattress sold only as service/replacement parts on lippert.com, with no product description. The listing title gives: 5″ Indura foam with 3″ latex foam, listing code "1S-PT", Hurricane Blue fabric, 10″ thick. Lippert does not explain the 1S/2S, QT/PT codes.
How firm is it?
Not published That’s the maker’s description; we haven’t measured it.
Which sizes and heights can I get?
3 sizes, 10″. See every size. Confirm your exact size and height with the seller.
Are the reviews about this exact mattress?
No owner reviews we can verify yet. Searches of Reddit and TruckersReport found no driver posts about Somnum mattresses; only 2017–2018 trade-press launch articles.
Where did this information come from?
- SOMNUM FOAM MATT: 10X36X76 1S-PT 5"INDURA 3"LATEX FOAM HURRICANE BLUE DISCOVERY: $615.95, out of stock
- SOMNUM FOAM MATT: 10X38X80 1S-PT 5"INDURA 3"LATEX FOAM HURRICANE BLUE DISCOVERY: $590.95, out of stock
- SOMNUM FOAM MATT: 10X42X80 1S-PT 5"INDURA 3"LATEX FOAM HURRICANE BLUE DISCOVERY: $666.95, out of stock
- 30-day return request, like-new condition, 20% restocking fee, return shipping deducted; installed parts not returnable
Checked 2026-10-18. Specs and terms can change.
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