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Sleepy's by Sealy Slumber Gel Foam Mattress

Sleepy's by Sealy Slumber Gel Foam Mattress

3.1· 317 ratings

Last price we saw

$319.99at Mattress Firm, last seen Nov 2

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Our take on the Sleepy's by Sealy Slumber Gel Foam Mattress

The Sleepy's by Sealy Slumber is a firm innerspring mattress with a gel foam layer and a tight top. Individually wrapped tempered steel coils form the core, and the cover is a moisture-wicking polyester blend. CertiPUR-US certified foams cover the low-emission claim. Its best recent price was $269.99 on November 1, 2026, down from $319.99 on October 31, 2026.

Best forBack and stomach sleepers who want a firm feelShoppers on a tight budgetGuest rooms and spare bedroomsHot sleepers who want a breathable coil core
Pros
  • Firm support from individually wrapped coils
  • Gel foam layer adds some pressure relief
  • Moisture-wicking cover helps with night sweats
  • CertiPUR-US certified foams
  • Low price for a king or California king
Cons
  • Firm feel is too hard for many side sleepers
  • Gel foam layer is thin, so cushioning is limited
  • Polyester cover feels basic
  • Coils can transfer motion between sleepers
  • Mixed owner ratings (3.1 out of 5 from 317 ratings)

Sleepy's by Sealy Slumber Gel Foam Mattress prices at every store

  • Mattress FirmCheck price at Mattress Firm

Sleepy's by Sealy Slumber Gel Foam Mattress price history

$319.99$269.99
Oct 31Nov 2

Lowest price we've seen: $269.99 on Nov 1 at Mattress Firm; highest $319.99 on Oct 31. Tracked across 1 store since Oct 31.

What reviewers say

Owner ratings are middling at 3.1 out of 5 from 317 ratings. Buyers who like a hard bed tend to be satisfied, while others find it too firm or report sagging over time.

Pros
  • Firm support that helps with back pain
  • Good value for the size
  • Sleeps cool compared with all-foam beds
Cons
  • Too firm for side sleepers
  • Reports of sagging and indentations
  • Motion transfer between partners

Specifications

Firmness Level
Firm
Mattress Type
Innerspring
Type
Mattress
Length
84″ (California King)
Width
76″ (King)
Certifications
CertiPUR-US certified foams
Core Material
Individually wrapped coils (tempered steel)
Cover Material
Polyester and other fibers
Fill Material
Gel foam
Fill Type
Gel foam
Fill Style
Firm
Coil Type
Individually wrapped coils
Construction Highlights
Tight top
Specialty Style
Tight top, Pillowtop
Solution For
Regulates body temperature

Questions and answers

Is the Slumber mattress good for side sleepers?
Usually not. It is a firm innerspring with only a thin gel foam layer, so side sleepers often feel pressure at the shoulder and hip. Back and stomach sleepers are a better fit.
How does it compare with an all-foam mattress?
The coil core gives more bounce and airflow than an all-foam bed, and it sleeps cooler. All-foam beds generally cushion pressure points better and isolate motion more.
Does it need a box spring?
It works on a box spring, a slatted frame or a platform bed. A solid, supportive base helps prevent sagging with a coil mattress.
What sizes does it come in?
It is listed in king (76 inches wide) and California king (84 inches long) sizes. Check the size before ordering, since the two kings differ in length and width.
When is the price lowest?
The lowest recent daily price was $269.99 on November 1, 2026, against $319.99 on October 31, 2026. Watch for holiday sales, when mattress prices usually drop.
Is the Sleepy's by Sealy Slumber Gel Foam Mattress at its lowest price?
The lowest price we've seen is $269.99 at Mattress Firm on November 1.
What do buyers say about the Sleepy's by Sealy Slumber Gel Foam Mattress?
Rated 3.1 out of 5 from 317 ratings.

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