Fear of Hypoglycemia and Glycemic Variability

Subjects with type 1 diabetes are invited to provide usual blood glucose monitoring and a blood glucose profile (Pre/ post prandial Blood Glucose + Night Blood Glucose) on 3 occasions in a 2 week time period, in addition to the filling of questionnaires including fear of hypoglycemia-2 questionnaire. Biobanking of urine/blood Collection of key medical informations by investigators Questionnaires : * socio-economic status * Fear of hypoglycemia-2 * Anxiety Depression scale (HAD) * Health survey (SF36, SF12) * Satisfaction to treatment (DHP-18) * Dutch Eating Behavior Questionnaire (DEBQ) * Pittsburgh quality of sleep (PSQI) * Blood Glucose diary