The Insomnia Coach app was created for everyone to help manage insomnia. The app is based on Cognitive Behavioural Therapy and is free to use.
 
Features include:
Guided, weekly training plan to help you track and improve sleep
Sleep coach with tips for sleeping and personal feedback about your sleep
Interactive sleep diary to help you keep track of daily changes
17 tools to help you get your sleep back on track
 
https://apps.apple.com/us/app/insomnia-coach/id1341944736
 
https://play.google.com/store/apps/details?id=gov.va.mobilehealth.ncptsd.insomniacoach
 
Introduction to the Insomnia Coach App Video

https://www.ptsd.va.gov/appvid/mobile/insomnia_coach.asp?utm_campaign=insomniacoach_nr1&utm_medium=email&utm_source=govdelivery#