Various conditions are very similar to RBD in that sufferers exhibit excessive sleep movement and potentially violent behavior.
2.
Nyctinastic movements ( sleep movements ) are controlled by the circadian clock and light signal transduction through phytochrome.
3.
Members of this family typically have divided leaves, the leaflets showing " sleep movements ", spreading open in light and closing in darkness.
4.
Sleep movement disorders, such as restless legs syndrome ( RLS ) and periodic limb movement disorder ( PLMD or PLMS ) can also cause secondary hypersomnia.