how to enable iMac sign-o with a password

[BuckyBadg]

I would like some added protection by enabling startup sign-on with a password. Is this possible without requiring it also to awaken from sleep and inactivity?

If so, can someone recommend to a computer dummy how to simply enable this?

Thank you in advance.

 

[BuckyBadg]

SOLVED, it seems to work if I disable autologon.