Amanda Bell's post on Twilight | Latest updates on Sulia
Tracey Heggins' GPS Guide
The Huffington Post has a series of posts called the GPS guide in which actors share what "works for them."
Tracey Heggins, a.k.a. Senna of The Twilight Saga: Breaking Dawn - Part 2, shared some of hers, including a pic of her using noise-cancelling headphones, sunshine, smiles and yoga.
Check out the rest here - http://www.huffingtonpost.com/2012/09/22/tracey-heggins-gps-guide-senna_n_1904931.html#slide=1555609