Drone delivery of coffee based on a cognitive state of an individual

A method for delivering a drink to an individual, comprising:

• connecting the drink to an unmanned aerial vehicle (UAV);
• flying the UAV to an area including a plurality of people;
• scanning the people, using one or more sensors connected to the UAV, the one or more sensors connected to an electronic processing circuit which identifies an individual among the people that may have a predetermined sleepy cognitive state including determining a confidence level corresponding to a probable desire of the individual for the drink including a stimulant which reduces a sleepy cognitive state, based on the sensor data and using sleep data pertaining to sleep experienced by the people when selecting the individual that may have the sleepy cognitive state;
• accessing sleep data pertaining to a sleep cycle of the individual determined by motion detection of the individual during a sleep period, and adjusting the confidence level in accordance to the sleep data;
• and
• if the confidence level reaches a predetermined level, flying the UAV to the individual that may have the sleepy cognitive state to deliver the drink including the stimulant to the individual.