From new sights and sounds to the different people and other dogs they meet, your Maltipoo puppys hyper activeness may be well attributed to the nature of them being curious. Thankfully, most Maltipoo puppies will outgrow this curiosity and calm down as they age. Your Maltipoo puppy is over stimulated: Is your Maltipoo puppy over stimulated? As puppy owners, its highly common to see pet parents spoiling their Maltipoo puppies with a range of toys and other activities to keep them busy.