Generic illustration · not a product photograph

Somnum Quest (truck sleeper)

Name: Lippert Somnum Quest (truck sleeper)
Brand: Lippert

Best for: Truck sleeper, convolute foam

A 6″ Somnum semi-truck mattress sold as a replacement part in 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: Foam
Height: 6″
Sizes: 1 ready-made

Your size

42 × 80 in · 6″ tall

Where to get it

lippert.comOrder online · delivered to you See price

Returns: No sleep trial. Details

We may earn a commission if you buy. Check the price for your exact size and height on the seller’s site.

The short version

Worth a look if

Truck sleeper, convolute foam

Good

A 6″ Somnum semi-truck mattress sold as a replacement part in 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: 6″
Sizes: 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

Truck sleeper 42 × 8042 × 80 in6″

Taken from the maker’s size options, in the inches it publishes. Tap a size to compare every mattress made in it.

How it compares

Beside the most similar mattresses from other brands.

	Somnum Quest (truck sleeper)Lippert	Bostrom+Serta 10-Series HD Truck MattressBostrom+Serta (Bostrom Seating)	Bostrom+Serta 7-Series Truck MattressBostrom+Serta (Bostrom Seating)	CopperFlex EssentialBrooklyn Bedding
Type	Foam	Memory foam	Memory foam	Memory foam
Queen price	—	—	—	$799
Height	6″	10″	7″	6″ or 8″ or 10″ or 12″ or 14″
Trial	See terms	See terms	See terms	365 nights
Odd sizes	1	1	1	16
Expert reviews	None yet	None yet	None yet	None yet

What’s inside

1Semi-truck sleeper mattress sold only as service/replacement parts on lippert.com, with no product description. The listing title gives: Convolute (egg-crate style) foam, 2-sided quilted top per the listing code "2S-QT", Hurricane Blue fabric, 6″ thick. Lippert does not explain the 1S/2S, QT/PT codes.

Feel: Not published
Height: 6″
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: Convolute (egg-crate style) foam, 2-sided quilted top per the listing code "2S-QT", Hurricane Blue fabric, 6″ 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?

1 sizes, 6″. 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?

Checked 2026-10-18. Specs and terms can change.