<qa>  What was the second objective of the study?This is a clinical non-randomized prospective study. This study had two objectives. The fist one was to determine the interest of breast cancer patients in participating in one of three group interventions CBT, yoga or self-hypnosis by assessing the participation rate, the reasons for choosing a particular group or decline the offer. The second objective was to evaluate and compare the benefits of these three interventions on emotional distress, QoL, sleep quality and mental adjustment to cancer, at three times after the end of the interventions just after the end, at a 3-month and at a 9-month follow-up. 