TOOLS

Only allows messages from your friends and other connections, and message requests from people with your phone number.

Prevents tags or comments on your posts by people who are not friends with you and sets controls for who can see your posts.

Reminds you to close Facebook when you reach one hour of time spent on Facebook per day and mutes notifications during specific hours.
You'll need to add a parent or guardian to supervise your account if you want to make any changes to your built-in teen safety settings to be less protective. (Note: all teens under 18 will need parental approval to switch to the less protective More Content setting).