Late Lenovo (X270) Sleep/Wake Issues

I've just finished installing Sierra onto my X270 and everything seems to be working great except for sleep.

When the system goes into sleep mode, the fans are all stopped which I guess the system is in S3 sleep mode. However, I cannot turn the system back on; the power button will have the breathing "blinking" power button but pressing it doesn't do anything.

Closing the lid and opening the lid will stop the power button from breathing but the screen will remain off. The fans will start up too.

Anyone experience this issue? I have DSDT patches, but I still can't seem to fix it.

submitted by /u/iPwnJ00
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