Two hundred forty-two women with breast cancer who had received radiation therapy in the past 18 mo and who had insomnia symptoms or were using hypnotic medications were randomized to : ( 1 ) professionally administered CBT-I ( PCBT-I ; n = 81 ) ; ( 2 ) video-based CBT-I ( VCBT-I ; n = 80 ) ; and ( 3 ) no treatment ( CTL ; n = 81 ) .