Washington, Sept 12 : Jennifer Aniston has revealed that she let herself "fall apart physically" for her new film 'Cake'.

The 45-year-old actress, who is playing a woman dealing with chronic pain in the movie, added that she spoke to friends dealing with physical conditions, as well as doctors, ABC News reported.

The 'Friends' star continued that since she didn't have a lot of "home time", it was important for her to sleep after going back home and do nothing physically to get into the character of someone who had just given up. (ANI)