Comparing a wireless accelerometer-based sensor that continuously measure breathing rate with the gold standard capnography. The aim is to evaluate if both methods are equivalent.

Inclusion Criteria:

• Admitted to the Hospital
• Expected to remain undisturbed for at least one hour

Exclusion Criteria:

• Not able to give informed consent
• Use of high flow oxygen therapy
• Skin disease preventing proper attachment of the sensor
• Implanted electronic medical device.
• Known infection or colonisation with microbes necessitating protective measures above routine care