Connected Solution of Assistance Dedicated to Caregivers and People With Alzheimer's Disease or Related Diseases

Description of the intervention: Lili Smart solution consists of an application for caregivers (web / mobile), a GSM watch worn by the patient, smart sensors placed at different locations of the patient's home and a support service 24 / 24 and 7/7. Objectives: The main objective is to evaluate the impact of the Lili Smart solution on the burden felt by caregivers of patients with ADRD at 3 months and at 6 months of follow-up. The secondary objectives are to evaluate the impact of the Lili Smart solution at 3 months and 6 months of follow-up on: * The anxiety of the caregiver of the patient with ADRD; * Depression of the caregiver of the patient with ADRD; * The quality of life of the caregiver of the patient with ADRD; * The quality of life of the patient with ADRD, * The level of functional autonomy of the patient with ADRD. * The risks associated with the functional decline (falls, run aways) of the patient with ADRD. In addition to the social impact measurement, the study aims to demonstrate the medico-economic impact of Lili smart solution as follow: * The direct and indirect medical costs of the patient and the caregiver. Patient and caregiver adherence to the Lili Smart solution will also be assessed as a secondary objective. Methodology : This study is an interventional research on the human person meeting the definition 1 ° of article L1121-1 of the CSP and not relating to the products mentioned in article L. 5311-1 It is a randomized, controlled, single-blind, parallel-group, interventional, randomized, controlled trial in N = 60 patients and their primary caregiver with an observational phase (inactive device), and one interventional phase (activated device).