For the first fortnight of life, a puppy is in what we call the "neonatal" phase. With their eyes and ears still firmly sealed, their world is limited to crawling toward the warmth of their mother. It’s a period of pure growth, where sleep takes up about 90% of their time.
However, beneath this sleepy surface, the nervous system is working overtime, building the millions of connections that will soon allow the puppy to interact with the world.
When do puppies start to gain consciousness?
The opening of their eyes and ears is really just the tip of the iceberg. The most profound change is cognitive: the puppy is moving from a world of simple reflexes to a state of true consciousness.
This is the start of the "transition period" - a vital bridge to the socialisation phase. It’s the moment a puppy stops seeing their littermates simply as "heaters" and starts seeing them as playmates.
When does the puppy socialisation period begin?
This major milestone in a young dog's life happens right around the 14-day mark. This is the pivotal age when a puppy’s sensitivity to the world truly awakens. At this precise moment, their senses begin to work in harmony, allowing them to perceive shapes, sounds, and their very first social interactions.
This two-week milestone is also the official start of the socialisation period. During this window, a puppy’s brain is like a sponge; everything they encounter - household noises, human touch, new smells - is recorded as "normal" and safe. Introducing gentle, progressive stimulation from this second week is the secret to raising a balanced, curious, and confident dog.
