Cranky Day!

I'm sure it was all an element of not napping well and wonder if this article  rings true for us. Interesting...it's either the below or maybe, just maybe more teeth will be joining his current 6.
'Your child's drive to master standing and walking has probably upset his daily routine — including his sleep schedule. His once-predictable morning and afternoon naps have become less dependable, and he's probably waking up more frequently at night. He may spend his crib time moving up and down instead of sleeping, and that's okay. Eventually, once the novelty of walking wears off, your child will return to a more settled state.'