Ideally, newborn puppies should sleep with their mother until they are 3 months old. Puppies can survive separation at 4 weeks, but that leads to a number of problems in the short and long term. Puppies are helpless in every way when they are born. A newborn puppy is essentially helpless and dependent on its mother, so a puppy needs to sleep and be with its mother.
The dog mother provides everything her children need, including safety and protection. That's why it's so vital that newborn puppies sleep with their mother, which will give them a good start to life. They are lessons like these that only a mother dog can teach a puppy, which makes it essential for the newborn puppy to stay with its mother. Your puppy needs to be with his mother for the first 8 to 10 weeks of life.
Your life will be much easier if you let the mother dog do her thing. A newborn puppy is completely helpless and depends on its mother. The first week of a puppy's life is mostly about sleeping and eating to make it grow. Puppies should stay with their mother and littermates until approximately eight to 12 weeks of age.
The mother normally spends most of her time with the puppies, so make sure to see the puppies breastfeeding at least once a day. These skills require time for a newborn puppy to learn them, so staying with the litter and cuddling with the mother to sleep is vitally important for their development. When your puppies are around three or four weeks old, you can start removing them from breast milk. Some dogs can kill their puppies if they feel stressed about not having a quiet and secluded place to live the litter.
Puppies will continue to eat until they are full, so there is no need to remove the bottle unless they start coughing or milk comes out of their nose. Try to start slowly, giving puppies solid food that has been heated and moistened with a little water. For the first two weeks of life, they can't regulate their body temperature and need to cuddle with their mother and other puppies to keep warm.