Depression is classified as a mood disorder that may be described as a persistent feeling of sadness. It involves loss of interest, or anger that interferes with a person’s day to day activities.
Nocturnal leg cramps may cause distress and sleep disruption. As a result, it impacts on physically the quality of life.
Chronic insomnia may benefit from some form of treatment to help them get back to healthy sleep patterns. So you should meet the doctor.