[Mark McLeod]

I'll have to check the make/model. It's sitting on my desk at home, but it's now an out-of-date model several years old, so I can't recommend a current model to purchase.

As a general rule, we never let our Driver Station go to sleep or hibernate in competition, so those kinds of issued wouldn't have manifest with the way we used the device.
USB communication and power re-negotiations on wakeup give indeterminated results - hubs, FIRST Touch, joysticks, or any USB device can go missing unless close attention is paid. You've seen it I know.