The Prime · Hybrid sleep system

Endless lightness,perfect calm.

Five breathable layers, suspended in balance. A mattress that cradles every curve, stays cool through the night, and feels like floating.

Find Your Mattress Explore the layers
4.9★★★★★ · 3,100+ sleepers
100night home trial

Five layers. One weightless night.

Anatomy of calm

Explore every layer.

Select a layer — or tap it in the stack — to lift it out and see what it does for your night.

    01 / 05

    Organic cotton knit

    Tune the feel

    Find your firmness.

    Drag the dial and watch the layers respond — how deep you sink, where pressure gathers, and how the coils push back.

    Medium 6.5/10
    PlushMediumFirm
    Sink depth
    3.1 cm
    Peak pressure
    28 mmHg
    Best for
    Combination sleepers
    Low pressureHigh
    Surface 31.2°C

    CoolFlow technology

    Heat in. Calm out.

    Body heat is drawn into phase-change gel, travels through pin-cored latex and leaves through the open coil core — a constant, silent breath of air beneath you.

    • 3.2°cooler sleep surface vs. all-foam
    • 8×more airflow through the coil core
    • 0heat pockets after 6 hours

    Personalised support

    However you sleep, aligned.

    Seven support zones adapt beneath your shoulders, waist and hips. Choose a position to see how Halcyon keeps your spine in a calm, neutral line.

    Spinal alignment97%

    Side sleepers

    Zone support · head → feet

    Macro of the Halcyon organic cotton and Tencel quilted knit Move across the knit

    Made to be touched

    Softness you can feel.

    A cloud-quilted cover in organic cotton and Tencel™ lyocell, hand-tufted over a breathable wool batting. Cool to the touch, moisture-wicking, removable.

    • Organic cotton52%
    • Tencel™ lyocell38%
    • New Zealand wool10%

    GOTS organic · OEKO-TEX® 100 · CertiPUR-US® · Fibreglass-free

    The Halcyon mattress floating on calm misty water at dawn

    #HalcyonPrime

    Sleep, suspended.

    • Special edition
    • Feather-light comfort
    • Responsibly made
    A person sleeping peacefully on a Halcyon mattress in morning light

    “I stopped waking up hot at 3am. It genuinely feels like the bed is holding me up.”

    Noor · side sleeper, 6 months

    Measured in mornings

    Deeper nights, softer days.

    From a 30-night sleeper panel switching to Halcyon Prime.*

    0%

    fell asleep faster

    0%

    woke with less back tension

    0%

    slept cooler through the night

    *Illustrative self-reported results. Individual experiences vary.

    Two-minute sleep match

    Find your mattress.

    Five gentle questions. One Halcyon, tuned to the way you sleep.