
The investigators sought to compare a 6-week, in-person intervention with CBT for insomnia and a brief education program in patients with MS who reported symptoms of insomnia.

The investigators sought to compare a 6-week, in-person intervention with CBT for insomnia and a brief education program in patients with MS who reported symptoms of insomnia.

The subgroups were defined by baseline characteristics that are known to be potential modifiers of risk to conversion to clinically-definite multiple sclerosis, including age, gender, first classification of demyelinating event, presence of T1 Gd+ lesions, and number of active T2 lesions.