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Sleep Number
Sleep Number DualTemp Layer

Sleep Number DualTemp Layer

Last price we saw

$650.00at Sleep Number, last seen Nov 2

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Our take on the Sleep Number DualTemp Layer

The Sleep Number DualTemp Layer is an active heating and cooling mattress layer that sits on top of your mattress and runs air through it to warm or cool each side separately. It is sold in half sizes (Half Queen, Half King, Half Cal King) so partners can set different temperatures. It is aimed at hot sleepers and couples who disagree on temperature. Sleep Number sells it direct; watch for seasonal sales, since the price moves with promotions rather than staying flat.

Best forHot sleepers who overheat at nightCouples who want different temperatures on each sideSleep Number bed owners adding active coolingPeople who want a heated bed in winter and a cooled one in summer
Pros
  • Active cooling and heating, not just passive breathable foam
  • Each half is controlled separately, so partners can differ
  • Fits on top of an existing mattress as a layer
  • Works year-round: warm in winter, cool in summer
  • Half sizes let you buy only the side you need
Cons
  • Premium price compared with passive cooling toppers
  • Requires power and a control unit near the bed
  • Adds height and a layer you have to wash around
  • Half-size pieces must match your mattress size exactly
  • Not a standalone mattress; it needs a base mattress under it

Sleep Number DualTemp Layer prices at every store

  • Sleep NumberCheck price at Sleep Number

Sleep Number DualTemp Layer price history

Lowest price we've seen: $650.00 on Nov 2 at Sleep Number. Tracked across 1 store since Nov 2.

What reviewers say

Owners generally like the ability to cool one side and warm the other, and hot sleepers report sleeping better. Complaints center on price, the added hardware and noise from the air unit, and the effort of setting it up.

Pros
  • Noticeable cooling for hot sleepers
  • Separate temperature control per side
  • Useful in both winter and summer
Cons
  • Expensive for a topper
  • Fan or air-unit noise bothers light sleepers
  • Setup and cord routing take effort

Specifications

Firmness Level
Soft
Size
Half Queen, Half-King
Length
82.5 in (Half Cal King)
Width
37.5 in (Half King)
Type
Mattress Topper, Mattress Layer
Topper Type
Memory Foam
Fill Material
Memory foam
Color
blue
Typical Users
Adults
Solution For
Hot Sleepers

Questions and answers

Is the DualTemp Layer worth it?
It is worth it mainly if you overheat at night or share a bed with someone who likes a different temperature. If you sleep cool already, a passive breathable topper costs far less.
How is it different from a normal cooling mattress topper?
A normal topper relies on breathable foam or gel to feel cooler. The DualTemp Layer actively moves air to heat or cool each half, so it can change temperature rather than just feel less warm.
Does each side really control its own temperature?
Yes. It is sold in half sizes, and each half has its own setting, so one sleeper can cool while the other warms.
What sizes does it come in?
It comes in Half Queen, Half King and Half Cal King pieces. Buy two halves for a full bed, or one half if you only want to treat your side.
Does it need to be plugged in?
Yes. It uses a powered air unit and controls, so you need an outlet near the bed and some room for the hardware.
When is it cheapest?
Sleep Number discounts it during holiday and seasonal sales more than at other times. Check the price history before buying at full price.