Macbook Pro keyboard not functioning upon waking.

Hello Apple Discussion Community,
Since installing Yosemite, I have been running into an extremely annoying issue that I hope will be addressed in a future update. So far, I have searched Google and the Apple discussion forums for someone else experiencing this problem, but have had no luck.
I do not know how to recreate the bug, as it occurs randomly. Sometimes, after my computer goes into a brief sleep (monitor turns black) or a deep sleep (monitor turns black, external hard drives power down), the Macbook Pro keyboard will not function at all upon waking. No matter what key I hit, it will not respond -- as if it is not plugged in, despite being a component of the laptop.
I have read about people experiencing issues with Wireless/Bluetooth keyboards, but so far not with the physical laptop keyboard.
If it does not function right after a deep sleep, when I have to enter a password to log into my account, I must log into the guest account and use the virtual keyboard to enter in my username and password so I can restart the computer. After a restart, it functions properly.
Has anyone else experienced this bug? Does Apple know about this issue and can I expect it to be patched in the future? Is there any advice someone can give me to prevent this from occurring anymore? Do I have to re-wipe my computer and complete another fresh install of OS X Yosemite?
I'd appreciate any advice or information!
Thanks,
Dylan

We are mainly users, so we don't know if Apple knows or not.
Send Apple feedback. They won't answer, but at least will know there is a problem. If enough people send feedback, it may get the problem solved sooner.
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Macbook Pro keyboard not functioning upon waking.

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