According to the AICPA Code of Professional Conduct, integrity is defined as to be honest and candid within the constraints of client confidentiality and never subordinate the level of service and public trust to personal gain. Meaning, members are to maintain and broaden the public confidence and perform their professional responsibilities with the highest sense of integrity.
As a parent, you should tell them there isn't anything under the bed. If they are still complaining, then comfort them and show them the truth that there are no monsters under the bed whatsoever.
Hope this helps! Have a good day!