Yes, you can. However, it should be for a limited time, and we recommend they always be placed in their crate to maintain housebreaking progress, manage chewing, and ensure their overall safety. At eight weeks old, a smaller breed puppy may only be able to hold its bladder for 1-2 hours at a time. For larger breed puppies, 2-3 hours. This will increase around 10 weeks old. To learn more about crate training your puppy, check out our blog post Separation Anxiety versus Crate Training: How to Prevent Separation Anxiety.