Joanne is 70 years old and presents to your surgery complaining of an unpleasant sensation that occurs at night time in both of her legs. She can only describe it as if spiders are crawling in her skin at night. She states these symptoms are not present during the day as she is very active. She also states that in order to alleviate her symptoms, she has to get up and walk around. There is no pain in her legs.

Examination is unremarkable with normal neurology examination and pulses present throughout the feet.

Based on the most likely diagnosis, what would be the most appropriate course of action?