Skip Navigation

Sleep and Aging

Frequently Asked Questions

16. What are movement disorders and how do they affect sleep?

Movement disorders cause people to move their limbs when they sleep, leading to poor sleep and daytime drowsiness. These disorders include restless legs syndrome, or RLS, periodic limb movement disorder, or PLMD, and REM sleep behavior disorder. Often, restless legs syndrome and periodic limb movement disorder occur in the same person.