What to Expect from Your 6 month old Puppy - PetPlace 29.03.2016 · Agility – Most puppies that are 6 months old are becoming very strong and coordinated. They can generally romp, play, fetch, jump, and run with very good accuracy. This is a time they have lots of energy and some of the fetch type toys can be a good release. Sleep – Puppies that are 6 months old sleep approximately 16 to 18 hours per day.