Effects of a Sleep Education Program on the Health Status of Healthcare Workers Working 12-hour Alternating Day-night Shifts

Inclusion Criteria: * Being a paramedical caregiverr (nurse or care assistant) * Working 12-hour shifts (day/night) * Working at least 80% of a full-time equivalent post * Staff employed at a hospital listed among the investigating centers * Being affiliated or entitled under a social security scheme * Having received informed information about the study and have co- signed, with the investigator, a consent to participate in the study Exclusion Criteria: * Nursing staff and nursing assistants who have been exposed for more than six months to alternating 12-hour shifts or atypical working hours (two eight-hour shifts, three eight-hour shifts or night shifts) during their professional career * Nursing staff and nursing assistants with a history of mental illness or who are taking medication that affects alertness (psychotropic drugs) * Pregnant or breastfeeding women * Nursing staff or nursing assistants with sleep apnea syndrome, central hypersomnolence disorders, severe parasomnias, severe untreated restless legs syndrome * Individuals with children under the age of 1 in the household * Trans meridian travel (\>2 time zones) during the month prior to the study