Calm is a leading app for meditation and sleep. Join the millions experiencing lower stress, less anxiety, and more restful sleep with our guided meditations, Sleep Stories, breathing programs, masterclasses, and relaxing music. Recommended by top psychologists, therapists, and mental health experts. Calm is the perfect mindfulness app for beginners, but also includes hundreds of programs for intermediate and advanced users. Guided meditation sessions are available in lengths of 3, 5, 10, 15, 20 or 25 minutes so you can choose the perfect length to fit with your schedule.