Brad Pitt concerned over family's safety

Brad Pitt has revealed that he finds it difficult to sleep at night because he is constantly worrying about the safety of his family.

The 49-year-old actor admitted that his overworked brain often keeps him awake as he considers fiancee Angelina Jolie's health and the futures of their six kids, Contactmusic reported.

To minimize his fears, the couple doesn't take their kids to potentially dangerous countries.