The invention relates to a wearable device (6, 6a, 6b, 6c) for detecting body characteristics and for use in an airways disorder alleviating system, comprising:- a device housing - a means (7) for attaching the device housing to a body part of a sleeping individual (2)- one or more sensors (63-67) configured to detect body characteristics and- a communication unit (61) configured to communicate at least one of information of body characteristics and a respiratory disorder event information indicating that a respiratory disorder event is ongoing or upcoming to an external device.
