You can give two CC of milk of magnesia every three hours and supplement with start. Bac a vitamin- Bacterial paste or Lactinex, which can be obtained from a druggist. Some people say that the pup is dreaming, this is not so. Puppies that jerk while sleeping is a sign that you can feel safe about his future. If activated sleep stops 24 hours later you will have a sick pup.
Activated sleep is really good sign.
Another good monitor is weight gain. A good, vigorous pup should gain weight everyday.