Thank you for contacting us! The only way Covenant Eyes will sign out is when a computer goes to sleep or if it is not logging any URLs whatsoever, which is very rare. How Covenant Eyes works is that it logs all URLs, which includes any software on your computer that requires an Internet connection in order to work. Anytime the computer is running with that kind of software, Covenant Eyes will remain signed in to log the URLs.
Long story short, it is very unlikely that Covenant Eyes will sign out on its own without being manually signed out by the user or the computer going into sleep mode.
If you have any other questions feel free to contact our Customer Service at 877.479.1119.