Calm is the best meditation app which help you meditate, sleep and relax with its in-app meditation sessions available in the lengths of 3, 5, 10, 15, 20 & 25 minutes covering topics like anxiety, stress, focus, sleep et cetera. If you want to feel the calmness in your stressful life, Calm app can do the job for you. It also has dedicated sleep stories to help you fall into a deep & natural sleep. The app has many peaceful & soothing nature sounds, relaxing music featuring beautiful scenes of nature & breathing exercises to relax & calm your mind. A few tracks and short stories are free but premium version is required to fully unlock the Calm which is justified given the relief it offers!