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Excessive Day Time Sleepiness in Dialysis Patients

2013-08-27 13:56

Sleep disorders often occur among people on dialysis.Some may have trouble falling asleep and some may always stay asleep.Why do some patients on dialysis have excessive day time sleepiness?

Excessive day time sleepiness

Excessive day time sleepiness has been described in dialysis patients.A majority of patients take day time naps and some fall asleep unintentionally.

Causes of excessive day time sleepiness in dialysis patients

Sleep apnea syndrome (SAS),restless leg syndrome( RLS), and periodic limb movement disorder (PLMD) are prevalent in patients with advanced Kidney Disease and could explain the day time sleepiness.


SAS is a condition that causes your breathing to be interrupted or stopped during sleep.These non-breathing intervals are called apnea.The patients with SAS often snore very heavily.SAS can worsen the symptoms such as daytime fatigue,sleepiness,and impaired neurocognitive function. Hypoxemia during sleep is related to nocturnal hypertension,left ventricular hypertrophy and increased risk of cardiovascular complications and even death.


RLS is a condition, in which the dialysis feel itchy or tingly.These uncomfortable sensations can make the patients wake up in the middle of the night or delay sleep onset.RLS is associated with depression and even increased mortality people with ESRD.


Almost 80% of patients with RLS also have PLMD,a condition characterized by episodic limb movements associated with nocturnal awakening and disrupted sleep. It can contribute to excessive day time sleepiness.

Apart from the above three causes, there are still some other factors related to excessive daytime sleepiness. Increased BUN and Creatinine in Kidney Failure patients are associated with increased slow wave activity in the waking EEG and abnormalities in cognitive function.

As there is a number of possible causes of excessive day time sleepiness, it is important to find out the causes firstly when the dialysis patients encounter the problem.You can send your basic illness condition to kidneyabc@hotmail.com .We can help analyze your condition and then give a reply.

If you send us email, please leave your phone number or WhatsApp/Viber (with country code) in email so that our renal expert can communicate with you timely and directly. We will do utmost to help you solve the problems.

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