The cause of recent sleeping problems - Slurpies?!?

On both Sunday and Monday night, Maggie woke in the middle of the night with vigorous hollers and refused to go back down for some time. On Monday night, I actually stayed up with her for about 1.5 hours since she was oh so close to falling asleep, but never quite got there (she and I spent some time lying on the rug in her room trying to sleep with no success as she kept squirming and fussing even though her eyes were half shut.) What caused such poor sleep performance and such inexplicable difficulties settling down? We cannot know for sure, but I have a potential culprit: Slurpies. Around 5:00 PM on both Sunday and Monday, Maggie consumed some (not a lot, but some) Coca-Cola Slurpie. The second day was especially fun as she learned how to suck on a straw. It's quite possible that her sleeping problems stemmed from the sugar and caffeine found in a Slurpie. Again, she didn't get much, but perhaps a little Slurpie goes a long way in terms of screwing up the sleep patterns of an infant. In light of such a possibility, we're closely monitoring her sleep patterns and regulating her Slurpie intake (to zero.)