BetterSleep: Sleep tracker

Relax Melodies: Sleep Sounds - app for android devices.

Beat insomnia
This amazing app will help you in no time not only defeat insomnia, but also get rid of stress, anxiety, tinnitus, have a good rest and even meditate. Adjust your sleep, enjoy colorful dreams to the sounds of rain, ocean, rustling of leaves, birdsong, crackling fire, wind and much more. 

Relax and unwind
More than 50 musical compositions have been prepared for you, which include melodies for relaxation, sounds of nature, quiet and meditative music. There is also white noise from an airplane, a hair dryer, a fan, a vacuum cleaner, etc. This application has added auxiliary functions that will make the process even easier to use, help you get ready for bed and have a good rest. Timer, reminders, the ability to create folders with your favorite songs, etc.