Very good advise from everybody I would just also not sit on the couch with her but on the floor and really play with her with a toy that she could pull and not get to your fingers to get rid of all her energy and then when is has calmed down and is ready for a nap put her next to me on the couch where I can keep my hand on her so she does not jump off. This will pass but like with children you have to do it everyday. Remember YOU are the pack leader NOW.