Aperson who has trouble sleeping for over a month is likely suffering from narcolepsy sleep apnea insomnia somnambulism

C. Insomnia. 
Narcolepsy is almost the exact opposite of having trouble sleeping, Sleep Apnea is dealing with breathing WHILE sleeping, but not necessarily hindering sleep, and Somnambulism is sleep walking. Insomnia is defined as trouble falling and staying asleep.

Answer ( true );