How Alpine Sleep works.

Water instead of air: a device brings water to temperature and sends it through fine channels in the topper. Each side on its own.

Three parts, one system.

A topper, a quiet device, two controls. That's all it takes for the right temperature on each side.

Noah füllt Wasser in das schwarze Alpine Sleep Steuergerät

The device

Sits next to the bed, cools or warms the water and sends it through the topper. Fill with water, switch on, done.

Hand auf der gesteppten Alpine Sleep Auflage mit feinen Wasserkanälen

The topper

Pulls over the mattress like a fitted sheet. Fine water channels spread the temperature across each side.

Alpine Sleep Steuergerät schwebend, quadratisch

Two controls

Each side has its own control. No subscription, no app required.

For couples

No more fighting over the duvet.

She's cold, he's too hot? Each side is cooled or warmed separately. What happens on one side, the other doesn't notice.

Try it: move the sliders. Values are for illustration.

29°
17°

A night with Alpine Sleep.

You set your preferred temperature, the topper holds it. This is what a typical evening looks like.

  1. 21:3030°

    Pre-warm or pre-cool

    Switch on Alpine Sleep before you go to the bathroom. By the time you lie down, your side has reached the chosen temperature.

  2. 23:0022°

    A little cooler to fall asleep

    Many people like it cooler to fall asleep. One turn of the control, only on your side.

  3. 03:0021°

    Even all night long

    The topper keeps the temperature across the whole sleeping surface. No draughts, no duvet to kick off.

  4. 06:4527°

    Getting up comfortably

    If you don't want to be cold in the morning, warm up your side again shortly before getting up.

Set up in three minutes.

No installation, no tradesperson, no permit.

  1. Fit the topper

    Over the mattress like a fitted sheet. Your bed sheet simply goes on top.

  2. Connect the device

    Place it next to the bed, fill with water, connect the hoses.

  3. Choose the temperature

    Set each side separately on the device. Done.

The technology, simply explained.

10-24°C

Cooling range

Pleasantly fresh, without cold air in the room.

25+°C

Warming range

A pre-warmed bed on cold evenings.

900ml

Water tank

Check the water level regularly and top up as needed.

2zones

Separately adjustable

Two controls right on the device.

All technical data

Power: max. 400 W cooling, max. 800 W heating.
Water tank: approx. 900 ml.
Sizes: 160 × 200 cm and 180 × 200 cm.

Lena und Noah im Bett, links kühles Blau, rechts warmes Amber, Alpine Sleep Auflage auf der Matratze

Your best sleep starts tonight.

Cool in summer, warm in winter, right for two.

Choose size
  • Each side adjustable separately
  • Cooling and warming in one
  • No subscription, no app required
  • 160 × 200 and 180 × 200 cm
  • Free shipping across Europe
  • 30-day returns · 2-year warranty