Background [edit]. In 1985, the DoD called for an extensive review of the education and training functions. At the same time, President Reagan established the Packard Commission to review the management of the DoD.
Itâs recommended that four hours is the longest that dogs should routinely be left alone for. Every dog will be different, dependant on how old they are and what they are used to. For example, four hours would generally be too long for a very active, young puppy.
Here are a few simple steps to make your puppy comfortable home alone: 1  Start by introducing your dog to his crate. 2  Crate him for short periods while you are present and gradually increase the time crated.3  Reward quiet behaviour with calm praise and perhaps a treat such as a piece of dog food. Crate him for short periods while you are present and gradually increase the time crated. 2  Reward quiet behaviour with calm praise and perhaps a treat such as a piece of dog food. 3  Start leaving your puppy alone. 4  At first, just a few minutes at a time and then gradually increase it.