Published on: 6/12/2025
What factors contribute to twitching of legs during sleep?
Twitching of legs during sleep can be caused by restless legs syndrome and periodic limb movements, which are often related to neurological factors and can be more common in older adults.
Explanation
Leg twitching during sleep is often associated with conditions like restless legs syndrome (RLS) and periodic limb movements (PLM). These conditions can cause uncomfortable feelings in the legs, leading to an urge to move them.
Restless Legs Syndrome (RLS)
- Symptoms: RLS causes a strong desire to move the legs, usually due to uncomfortable sensations. This often happens at night.
- Causes: The exact cause isn't entirely understood, but it may be linked to how the brain processes certain chemicals.
Periodic Limb Movements (PLM)
- Symptoms: PLM involves repetitive spasms or jerking of the legs during sleep.
- Causes: PLM can occur on its own or with RLS. Like RLS, it may be related to brain activity.
Both RLS and PLM are more common in older adults and can disrupt sleep, leading to tiredness during the day. Understanding these conditions can help in managing symptoms and improving sleep quality.
(References)
- O'Regan D, & Anderson KN. (2020). Restless legs syndrome and periodic limb movements .... British journal of hospital medicine (London, England : 2005), 32003620.
- Milligan SA, & Chesson AL. (2002). Restless legs syndrome in the older adult: diagnosis and .... Drugs & aging, 12390051.
- Lugaresi E, Cirignotta F, Coccagna G, & Montagna P. (1986). Nocturnal myoclonus and restless legs syndrome. Advances in neurology, 3946114.
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