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Design concept by Goat Scale · Tumbleweft is a fictional studio. This is not a real company: no projects, enquiries or applications are taken.

Halloway Health · Healthcare

Ember, an AI sleep coach

A fictional AI coach that talks with people over text while they rebuild a sleep routine.

Fictional client and illustrative figures, written for this design concept.

Illustrative: a phone on a bedside table beside a glass of water, showing a calm sleep screen

Illustrative photograph, not the shipped product

Illustrative results

  • 3×

    longer conversations than the scripted version (illustrative)

  • 64%

    still chatting after four weeks (illustrative)

  • 9

    nights to a steadier routine, on average (illustrative)

What happened

The programme in brief

  • An AI coach that checks in by text, with clinicians in the loop.
  • Designed around consent, explainable suggestions and an easy way out.

Tumbleweft and its clients are fictional. This page shows how a case study would read.