Be grateful when and where you can.
It’s not a bad idea to savor the gift—the grace, literally—of rest when it comes. First of all, you should now understand that it’s not a given, and so it makes sense to say “Thank you” when it comes.
Second, when you are rested and your mind is relatively clear, it becomes just slightly easier to give the half-smile, to practice your breathing and deliberate thought, to direct your thoughts.
In other words, it is easier to arrange your inner world so that God can reside in it.
So take advantage of that.