Baby is 6 months. Routine is as follows.
Awake 7.30 - bottle
Breakfast 8.30
Bottle 10 - down for a nap
Awake between 11/11.30
Lunch 11.30
Bottle 1
Nap 1/1.30- 4
Bottle 4
Dinner 5.30
Bath, story, bottle, bed at 7.
For the last 3 days has been waking at 11pm and staying awake for hours. Happy, not really crying but will cry if left in cot. Dummy put in but won't go back to sleep unless walked around or taken for a drive. Any ideas?