Luke is now just over 5 months old, and he has -- FINALLY -- started sleeping better. Not wonderfully, but much better than before. Of course, even as I type this he is whining a bit about being down for a nap.
He's going through a lot of changes. Lots more vocalization and interaction, grasping, a bit of rolling... and Luke is now going to daycare a few half-days per week (in preparation for school starting next week), and this morning he had his first "solid" food!
Here are the requisite pictures.