Pam Has Suffered from Insomnia for the Last Few Years

Pam has suffered from insomnia for the last few years and it really affects her everyday life. However, Pam's husband Jim claims that Pam is exaggerating and that she sleeps every night and often even snores! To prove he's right (and to help his wife) , Jim asks Pam to go to a sleep clinic to test her insomnia. Jim, on the other hand, is a sleeper who routinely gets at least nine hours of sleep at night.
-If Jim's father Dwight experiences somnambulism,which of the following is true

A) He is likely to have deep underlying emotional issues.
B) He is likely to have a brother who also has somnambulism.
C) He is likely to remember in great detail his episodes the next morning.
D) He is likely to experience excessive daytime sleepiness.