Calm Is an awesome application for android users. This will help you to mediate, Sleep and to be relaxed. Download and keep calm with Calm application.

Calm is the 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.

Link

https://play.google.com/store/apps/details?id=com.calm.android