Fecha de publicación: -- Fuente: Wipo "Sensorization" Apparatus and methods are described including using a sensor to monitor a sleeping subject and generate a signal in response to the monitoring. A control unit is used to accept an input indicative of a person desiring to perform an activity that is potentially disturbing to the sleep of the subject, analyze the sensor signal, in response to the analyzing, identify a time during which the activity is likely to be less disturbing to the sleep of the subject, relative to another time, and generate a notification indicating a suitability of performing the activity at the identified time. Other applications are also described.