The case is thin and fits nicely onto the eReader and when closed it puts the eReader into sleep mode and wakes up the device when you open the case. (ereaderspotlight.com)
You don't even have to wake up the device by pressing power button first. (phoneradar.com)
However, we were able to resolve these issues by simply tapping the display and waking up the device from dim state. (sammobile.com)