Insomnia laboratory findings

There are no diagnostic laboratory findings associated with insomnia. However, laboratory tests should be done if there is a suspicion of an underlying or coexisting medical condition.

There are no diagnostic laboratory findings associated with insomnia. However, laboratory tests should be done if there is a suspicion of an underlying or coexisting medical condition.^[1]

• Some patients with restless legs syndrome may have reduced concentration of ferritin, which is usually suggestive of indication of iron therapy.
• Toxicology screening should be considered if there is a suspicion of stimulant abuse.