Night Sleep changes?

Brianna

My son has been a fantastic night sleeper but for the past month he's been all over the place at night and just makes all sorts of noises. He went from sleeping 12 hours to sometimes 10.5 hrs. After a week of this I would have thought he would of needed to catch up on some missed sleep but nope! Anyone else going through this? He turned 13 months on the 10th.