Best Sleep Sounds App Free. I can’t fall asleep without some kind of ambient sound in the background. The free version of this app offers more features than most other free downloads, including a sleep tracker, a smart alarm clock, your daily 'sleepscore' and up to seven nights of sleep history.

Lite is one of the best free sleep apps. Sleep sounds can help you: A separate developer, voice apps, also offers a combination sound skill which includes over 125 ambient sleep sounds.
To achieve this, you set a window of time to wake up.
This app is made to help you fall asleep and stay sleep though the night. It features a clean, simple ui along with a variety of calming sounds. Their sleep sounds alexa skill offers many of the same ambient sounds we’ve described above, along with a guided sleep feature. It has an alarm with fade audio so you wake feeling refreshed.