Keyboard 'Repeat Delay' and 'Repeat Rate'

Often when I return from Windows 'Sleep' mode to regular mode, I notice
that the keyboard 'Repeat Delay' and 'Repeat Rate' have been reset to a
slower setting. I normally keep Repeat Delay as short as possible and
Repeat Rate as fast as possible, but coming out of sleep mode both are
much slower. To fix the problem, I go into Control Panel | Keyboard
Properties and just click OK and then everything is back to normal. But
without doing this I'll stay in this slower mode. Any thoughts about
this? Thanks.