Review of systems should check for symptoms of specific sleep disorders, including Snoring, interrupted breathing patterns, witnessed apneic events, nocturnal gasping and choking, and nocturia (sleep apnea syndromes) Depression, anxiety, mania, and hypomania (mental sleep disorders) Restlessness in the legs, an irresistible desire to move them, and jerking leg movements (restless legs syndrome, periodic limb movement disorder) Cataplexy, sleep paralysis, and hypnagogic phenomena (narcolepsy) Bed partners or other family members can best identify some of these symptoms.