It's no secret that dogs don't like to be left alone and some even take actions that express their frustration at the very fact that they are left alone, actions such as: whining and barking at the door, scratching the door and other actions.
So it is true that awareness of the dog's frustration and difficulty makes it difficult for the owner, but most of them don't really have the way to prevent their need to spend many hours outside the home.
What can be done is to carry out various actions designed to make it easier for the dog and allow him to gradually and better adapt to the fact that they are supposed to spend time alone at home.

What can be done to make it easier for the dog?
Among the actions that can be performed to make it easier for the dog while he is alone at home:
Gradually prepare the dog for the long separation, start with going out for short periods of time and gradually extend the period of time away from home.
Take the dog for a long walk and allow him to expend energy before leaving him alone at home.
Leave a radio or television on, when the voices will give him a sense of presence.

Prepare a warm and small corner for the dog and get her used to staying in it when she is alone at home.
Leave snacks or safe toys for the dog to use, so that he has something to do while the owner is not at home.
All these actions can undoubtedly make it easier for the dog while its owner is away from home.