Hi, my vets says let puppies sleep. Well she said they get hip problems don't over exercise them when they are puppies. She said always give them puppy food never adult food or table food. She says to place crate in middle of room live door open an have a put bed or pet mate in there with bear or blanket or toy an slowly let then find it an when they get in there let then stay in there a few minutes. PS. Here are some wonderful cheap books to get to help with lab puppies. How do I know have a chocolate lab Spike 8 month old puppie. 1.Complete Healthy Dog Handbook. 2.Complete IDIOT'S To Fun and Tricks With Your Dog. 3.Dog Training Retrievers and Pointing Dogs.