No. 01 — The Night Instrument

A lamp that
forgets it’s
a lamp.

Halcyon makes precision sleep instruments. Not sleep aids — instruments. No. 01 shapes the light and sound of a room across the night, so your body remembers how to descend.

Brass / Glass / Wool feltAssembled in Copenhagen
02 — 12 week leadSmall batch, numbered
Fig. 01 — Nocturne field, brass open grain Edition of 500
“We stopped making darkness. We made rooms brighter, then made apps to make up for it. Halcyon does the opposite: it composes the night.”
— Studio note, Copenhagen — 2023
02 / The object

Three materials. One behaviour.

No screens. No notifications. No blue light after dusk. No. 01 is a single object that owns the entire night — dusk to waking — with light you can feel and sound you almost can’t.

The instrument in detail

A dome, not a bulb.

A hand-pressed glass diffuser softens the source into a field. From 1900K amber to 0.8 lux moonlight, it never clicks or steps — it breathes. The sound field lives underneath: filtered brown noise, distant air, room tone you forgot you needed.

No controls after 21:00
One brass dial sets your wake window. After that, it runs alone.
Light0.8 — 420 lux, 1900K–2800K
Sound14–18 dBA field
Power4.2W peak, silent PSU
Weight1.9 kg, solid brass

Light as climate

At sunset it matches your room, then subtracts. No harsh off. By midnight it holds a low amber tide; before dawn it lifts like first light through linen. You don’t look at it — you live inside it.

Sound you forget

A single paper-cone driver fires down into felt. No loops, no “rain sounds.” It generates slowly evolving air — the kind of quiet that makes a city flat go still.

Made to stay put

Turned brass base, glass dome, wool felt underside. No app required — but if you want it, it connects once, learns your window, then forgets your phone.

03 / The night as composition

A full arc, not a timer.

Drag the handle. No. 01 doesn’t switch scenes — it composes one continuous slope from your dusk to your dawn. What you see is one night.

21:00 Dusk00:00 Hold06:30 Lift
Shape Steady descent
04 / Atelier

Built like an instrument, not a gadget.

We make No. 01 in small runs outside Copenhagen with a metal workshop that usually makes marine hardware. Tolerances matter when something sits next to your head for eight hours.

Brass — low lead, tumbled Glass — mouth-pressed

Metal that ages

Unlacquered brass. It darkens where you touch it. We leave it that way — a record of use.

Light you can’t see the source of

Two diffusers and a recessed LED bar. No point source, no glare on a pillow.

Felt, not rubber

Base is 5mm wool felt. It damps vibration and won’t mark a nightstand. Or a tatami, if that’s where you sleep.

Numbered, repairable

Every unit is marked underneath. We stock parts for ten years. Send it back; we’ll service it.

05 / Edition

No. 01 — First edition

A bedside instrument for one room. Quiet enough for a small apartment, warm enough to read by at 30%.

$1,480USD — includes power supply (EU / US / UK / JP) and 2m braided cable. Ships in 10–12 weeks. Free returns for 30 nights.
DimensionsØ 184 × H 112 mm
MaterialsTumbled brass, pressed glass, wool felt
ConnectivityBluetooth LE · no account required
In the boxNo. 01, PSU, felt travel sleeve, linen card
Reserve — $200 deposit Read the manual (PDF)

Deposits refundable. Balance charged before shipment. 2-year warranty.

What owners say — not reviews, notes03
“I didn’t realize my old lamp was shouting. This one whispers and I actually stay asleep.”
— M. K., Berlin · No. 01 / 086
“We bought it for the light. We kept it for the sound — like the room exhaled.”
— S. & J., Kyoto · No. 01 / 112
Reserve includes
  • Numbered edition, choice of brass patina (bright / tumbled)
  • Onboarding: we set your window once, over Bluetooth, in two minutes
  • No subscription. No account. Firmware updates via cable, if you want them
42 left in this batch Next batch: January