Periodic Limb Movement Disorder Topic Guide
Periodic Limb Movement Disorder: Periodic limb movement disorder (PLMD) is repetitive cramping or jerking of the legs during sleep. It's related to restless leg syndrome, but it is a distinct disorder. Learn about treatment and remedies.
Disorders That Disrupt Sleep (Parasomnias) Parasomnias are disruptive sleep-related disorders. They are characterized by undesirable physical or verbal behaviors or experiences. Parasomnias occur in association with sleep, specific stages of sleep (see Sleep: Understanding the ...