The version of my form sometimes works very slow after one or two hours

I have it but the issue that I am facing in my version is sometimes it works very slow after one or two hours and I have no idea about it that how to solve it plz give me the right guide about it I wanna learn more about it.

We would like to apologize for any inconvenience. May we ask you for more details about the issue you are having, please? I have checked the account you have contacted us from and there is no form created under it. Are you by any chance referring to a form that is in another account? If so, kindly give us more details about the form and we will be glad to help you. We will wait for your response.