Mr Angry there was a potentially serious incident a few months ago when both pilots were woken up by the GPWS during an ILS approach to a southern UK airport at the end of a night flight. The resultant adrenaline rush enabled them to successfully complete the second approach.
jerrystinger: "inflight rest"? On an 11.5 hour/4 sector day at any of the low cost airlines? Try it, then you might change your opinion! "Truth hurts" indeed!