Eight Sleep Pod 4
Eight Sleep
Best Price
$2,295
eightsleep

Our Take
The Pod 4 is the temperature-controlled mattress cover that made 'sleeping cool' a measurable product category. The 55-110°F range covers both hot sleepers and partners who want different temperatures on each side. Sleep tracking (stages, HRV, breathing) happens without a wearable, and the autopilot quietly adjusts overnight. The cooling is the feature that justifies the subscription for most owners.
Pros
- Per-side temperature control (Cal King Split)
- Tracks sleep stages, HRV, breathing without a wearable
- Cooling actually works, down to 55°F
Cons
- Membership required for full features (~$200/yr)
- Sits on top of your mattress, won't fix a bad one
Specifications
type
Smart Mattress
sizes
Queen, King, Cal King, Split King
features
Cooling to 55°F, heating to 110°F
tracking
Sleep stages, HRV, breathing
Price Comparison
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