Assertion: narcolepsy | /r/HasProperty | the one
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Source sentences:
text: In some cases, type 2 narcolepsy — the one without cataplexy, which has milder symptoms — may develop into narcolepsy with cataplexy, says Eric Olson, MD, an associate professor of medicine and sleep medicine specialist at the Mayo Clinic in Rochester, Minnesota, and a board member of the American Academy of Sleep Medicine.