Wow! I thought it was just us! At about 10 to 10 and a half months, my son started to want to get up and get dancing around 4-4:30. I have found that if I set him in an upright position (like burping him over my shoulder) and rock a little, he settles down and gets back to sleep. Not doing this just upsets him and he stays awake longer–also, trying to nurse him at this time just makes him frustrated! Once he is back asleep, he will sleep until about 7 and then he’ll wake up happy and wanting to play and be sweet before he nurses. Of course, he’s only 11 months now, so let’s see how long this lasts until the next sleep changes…