Meditation and good sleep help her control stress, a major component of cardiac function. She keeps the vibrancy required for her exciting profession by juggling these behaviors. Meditation and good sleep help her control stress, a major component of cardiac function. She keeps the vibrancy required for her exciting profession by juggling these behaviors. Meditation and good sleep help her control stress, a major component of cardiac function. She keeps the vibrancy required for her exciting profession by juggling these behaviors. Meditation and good sleep help her control stress, a major component of cardiac function. She keeps the vibrancy required for her exciting profession by juggling these behaviors.