I also have noticed a substantial increase in the wakeups on .136.
And I rarely am off Wi-Fi, if at all, and according to the FD theory mentioned as the possible culprit, that wouldn't be what is increasing my wakeups.
Nokia 8250 -> Nokia 7250i -> Sony Ericsson T610 -> Nokia 7610 -> Nokia N95 8GB -> Samsung Galaxy Note N7000 -> Sony Xperia Z Ultra
Alienware 18 with 2.80Ghz Intel i7 4900MQ -> Up to 4.0 Ghz with TurboBoost, TWO Nvidia GeForce GTX 770m's with 3GB DDR5 RAM each, 16GB DDR3 RAM
Samsung 55" F6800 3D Smart LED TV with 120Hz Real Refresh Rate and 600 Clear Motion Rate.