Perfectly normal, beardies like attention and if they are not getting enough they will do what ever they can to get your attention.
However, there are other reasons that they may want to get out of their viv. Check temps are correct, as if its too hot they can also behave in this way simply because they want to get out and cool down.
Also any hidden bugs in the viv can make them want to escape, it may sound stupid but beardies can be scared of bugs, I had one that was petrified of hoppers for example, unless I hand fed them to her.
The advice above about 'run time' is also important, a viv of the right size makes a great home, but just like us beardies need to get out and about from time to time. Make sure she gets enough exercise else her health may suffer. It can also lead to aggression, a friend of mine rehomed an adult beardie that had never been allowed out of his viv. This beardie would try to bite anyone that put their hands in his viv, it took my friend several months to get the critter tame.