Method to activate and control a conditioning apparatus, in which the conditioning apparatus is provided with a control and command unit able to be activated remotely by means of an electronic device, the method providing to regulate the functioning parameters of said conditioning apparatus at least as a function of a state of wakefulness or sleep of a user, wherein the method comprises: - selecting a specific functioning mode of said conditioning apparatus that provides to perform a control function of the temperature in the time while the user is sleeping, until a time expected for him/her to wake up, so as to keep the room temperature inside predefined ranges of values (Tmin, T*, Tmax) associated with the sleeping state of said user; - monitoring the frequency of the heartbeat values (HR(i)) of the user by means of a heartbeat detection device which can be worn by the user, integrated with and/or connected to said electronic device; - processing the frequency data of the heartbeat values (HR(i)) detected by the heartbeat detection device by means of a detection algorithm to identify a standing or lying position of the user, respectively correlated to the state of wakefulness or sleep; and - activating the functioning mode selected and commanding said conditioning apparatus for starting the temperature control function when a lying position of the user is detected, characterized in that, in order to detect said lying position of the user, the method provides to perform, automatically and periodically, said detection algorithm comprising a step of identifying a frequency peak (HR_P) of the heartbeats in the trend of the user's heartbeats, and a step of verifying the position assumed by the user after the frequency peak (HR_P) identified, wherein said step of verifying the position assumed by the user provides to: - consider the values (HR(i)) of frequency of the heartbeats detected for each sampling instant comprised between the instant when the control function is selected, and a sampling instant prior to the one in which said frequency peak (HR_P) was identified and to calculate a first average value (VM_1) thereof; - consider the values (HR(i)) of frequency of the heartbeats detected after the instant when said frequency peak (HR_P) was identified and to calculate a second average value (VM_2) thereof; - calculate the difference in the averages (ΔVM) between said first average value (VM_1) and said second average value (VM_2) and compare it with a second reference value (Vref_2). - selecting a specific functioning mode of said conditioning apparatus that provides to perform a control function of the temperature in the time while the user is sleeping, until a time expected for him/her to wake up, so as to keep the room temperature inside predefined ranges of values (Tmin, T*, Tmax) associated with the sleeping state of said user; - monitoring the frequency of the heartbeat values (HR(i)) of the user by means of a heartbeat detection device which can be worn by the user, integrated with and/or connected to said electronic device; - processing the frequency data of the heartbeat values (HR(i)) detected by the heartbeat detection device by means of a detection algorithm to identify a standing or lying position of the user, respectively correlated to the state of wakefulness or sleep; and - activating the functioning mode selected and commanding said conditioning apparatus for starting the temperature control function when a lying position of the user is detected, - consider the values (HR(i)) of frequency of the heartbeats detected for each sampling instant comprised between the instant when the control function is selected, and a sampling instant prior to the one in which said frequency peak (HR_P) was identified and to calculate a first average value (VM_1) thereof; - consider the values (HR(i)) of frequency of the heartbeats detected after the instant when said frequency peak (HR_P) was identified and to calculate a second average value (VM_2) thereof; - calculate the difference in the averages (ΔVM) between said first average value (VM_1) and said second average value (VM_2) and compare it with a second reference value (Vref_2).