Activity-based device recommendations

A system, comprising:

• one or more processors;
• and
• non-transitory computer-readable media storing computer-executable instructions that, when executed by the one or more processors, cause the one or more processors to perform operations comprising:
• storing first data associating a user profile with a plurality of devices;
• receiving, from a first device of the plurality of devices, second data indicating that a user device associated with the user profile is present in relation to the first device;
• determining that the first device is disposed within a room having a room identifier and the user device is disposed within the room, wherein the room identifier for the room differs from other room identifiers for other rooms associated with the user profile;
• determining, based at least in part on third data indicating states of a second device of the plurality of devices, that a state of the second device disposed within the room remains constant for a period of time that is at least a threshold period of time, the state predetermined to correspond to device inactivity;
• determining, utilizing machine learning, fourth data indicating:
• a first device state transition from a first operational state to a second operational state indicating historical cessation of an asleep state for the room identifier, the asleep state associated with a person sleeping;
• and
• a second device state transition from the second operational state to the first operational state indicating historical initiation of the asleep state for the room identifier, wherein the first device state transition and the second device state transition differ for at least one of the other room identifiers for the other rooms;
• determining, during the period of time, an absence of a first acoustic event predefined as being associated with an awake state within the room;
• determining, during the period of time, that a second acoustic event predefined as being associated with the asleep state is detected within the room;
• associating the room identifier of the room with an asleep state based at least in part on:
• the user device being present in relation to the first device;
• the state of the second device remaining constant for the period of time;
• the second device performing the second device state transition;
• determining the absence of the first acoustic event;
• and
• determining the second acoustic event has been detected;
• and
• causing, based at least in part on associating the room identifier with the asleep state, one or more smart home applications associated with the user profile to perform at least one of first notification actions or first recommendation actions within the room predefined to be performed while the user profile is associated with the asleep state, the at least one of first notification actions or the first recommendation actions differing from other notification actions and other recommendation actions performed by the one or more smart home applications when associated with the awake state.