Hi Andrea,
Stand-by mode SO Windows I recommend you don't use economy Energy or suspend and configure "Power Management options for high performance".
https://support.microsoft.com/en-us/windows/change-the-power-mode-for-your-windows-pc-c2aff038-22c9-f46d-5ca0-78696fdf2de8#Category=Windows_10
https://support.norton.com/sp/en/us/home/current/solutions/v85131538
The browser has an action stand-by too and It needs attention, chrome for example: https://support.google.com/chrome/answer/12929150?hl=en.
Att,
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Breno Canyggia Ferreira Marreco
https://www.linkedin.com/in/brenocfm-40b62182/------------------------------