Testing your heart rate when you wake can be bad and both scenarios will give high readings because it depends who is next to you. If a thing of beauty then thy heart will race, if not it will also race in preparation of you fleeing from the building. Only if either alone or the person next to you has become so routine in your life that there is no effect on you, then and only then would you be inclined to take your pulse when you wake but this is only done to check if you are still alive!