PuppyMum - it may be a wonder week for your little man, they tend to be unsettled at this time. My little one had an unsettled week in week 12-13 and his routine went haywire for about a week, then settled down again this week. Google Wonder Weeks for more info if you haven't heard of wonder weeks (basically its a developmental/milestone week where bubs can be a bit out of sorts)

HTH - hang in there
Naomi