Siyan Clinical Corporation

Siyan Somnus

A sleep-wellness app for iPhone and Android

Somnus helps you understand your own sleep and work on it steadily, using methods borrowed from behavioural sleep medicine. It is for adults, and it is not a medical device.

What it does

A sleep diary

Log your nights by hand, or let Somnus read the nights your phone or watch already recorded. Either way the diary is the foundation everything else is built on.

A sleep window of your own

Worked out from the nights you have actually logged, not from a general rule. It is a self-management tool you can follow or ignore, not a prescription.

An eight-week guided plan

One week at a time, drawn from behavioural sleep medicine, along with structured exercises for the thoughts that keep people awake.

Stories, meditations and soundscapes

A narrated library to fall asleep to, read in a choice of voices.

An AI sleep coach

You can type to it or speak with it. It can see your own sleep data, and like any AI it can be wrong — it is not a clinician and it is not an emergency service.

What it is not

Somnus is a consumer wellness product. It is not a medical device, it does not diagnose, treat, cure or prevent any condition, and it is not a substitute for care from a qualified health professional. You must be 18 or older to use it.

If you are in crisis, please use a crisis line rather than the app. findahelpline.com lists free, confidential services worldwide. In the United States you can call or text 988, or call 911 if someone is in immediate danger. Somnus cannot provide crisis support and does not monitor for emergencies.

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