As she matures and reaches her adult size her appetite will probably level off.
My young gliders ate a lot more than the adult gliders do.
Which HPW are you feeding. Many folks have observed that some gliders will eat excessive amounts of the HPW Complete and still be looking for more.
You might try another staple for your glider to see if she is more satisfied.
You can also feed MORE vegetables for her to munch on over night.