The persons with insomnia can develop the conditions causing hypoxemia and dyspnoea, gastroesophageal reflux disease, pain conditions, and neurodegenerative diseases. Among the primary sleep disorders, restless legs syndrome (RLS), periodic limb movement disorders (PLMD), and sleep-related breathing disorders (snoring, dyspnoea, sleep apnoea) often present with an insomnia symptom. | The persons with insomnia can develop the conditions causing hypoxemia and dyspnoea, gastroesophageal reflux disease, pain conditions, and neurodegenerative diseases. Among the primary sleep disorders, restless legs syndrome (RLS), periodic limb movement disorders (PLMD), and sleep-related breathing disorders (snoring, dyspnoea, sleep apnoea) often present with an insomnia symptom. |