
EDS can refer to Excessive Daytime Sleepiness, which is a common symptom of narcolepsy, or it can refer to Ehlers-Danlos Syndrome, a condition that can cause sleep issues.
Excessive Daytime Sleepiness (EDS) is a sleep disorder that causes people to feel a strong urge to sleep during the day, even after getting a full night's rest. It is often a symptom of another condition, such as insomnia, sleep apnea, or narcolepsy. EDS can also be caused by behavioural factors or certain medications.
Ehlers-Danlos Syndrome (EDS) is a condition that can cause sleep issues such as sleep-disordered breathing (SDB) and insomnia. People with EDS may experience breathing issues during sleep, known as sleep-disordered breathing (SDB), which can lead to obstructive sleep apnea (OSA).
Excessive Daytime Sleepiness (EDS)
| Characteristics | Values |
|---|---|
| Definition | The tendency to fall asleep during normal waking hours. |
| Symptoms | Significant drowsiness, tiredness, fatigue, irritability, difficulty concentrating, poor memory, mood changes, difficulty carrying out daily activities. |
| Causes | Sleep disorders, insomnia, narcolepsy, RLS, sleep apnea, psychiatric disorders, medication side effects, physical disorders, behavioural factors, depression, anxiety, chronic pain, arthritis, cancer, herniated disks, nocturnal seizures, ADHD. |
| Diagnosis | Physical examination, lab tests, polysomnogram (PSG), multiple sleep latency test (MSLT). |
| Treatment | Address underlying causes, medication, cognitive-behavioural strategies, bedtime analgesics, antidepressants, hypnotics, lifestyle changes, sleep masks, good mattress, sleep timer on audio, podcasts, stand-up comedy. |
| Prevalence | Affects approximately 10-20% of the population. |
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What You'll Learn
- Excessive Daytime Sleepiness (EDS) is a symptom of sleep disorders, not a disorder itself
- EDS is associated with narcolepsy, insomnia, RLS, sleep apnea, and other conditions
- EDS can be challenging to identify in children, as symptoms differ from adults
- Treatment for EDS involves addressing the underlying disorder and symptom management
- Sleep is critical for people with EDS or hypermobility syndrome to manage pain and mood

Excessive Daytime Sleepiness (EDS) is a symptom of sleep disorders, not a disorder itself
Excessive Daytime Sleepiness (EDS) is a condition characterised by significant drowsiness and tiredness throughout the day, even after getting the recommended amount of sleep. It is often a symptom of another sleep disorder, such as insomnia, restless leg syndrome (RLS), sleep apnea, or narcolepsy, rather than a disorder in itself. EDS can also be caused by behavioural factors or certain medications.
EDS is a common condition, affecting approximately 10-20% of the population. It can cause people to experience recurrent episodes of daytime sleepiness and a compulsion to nap repeatedly during the day, even at inappropriate times such as during meals or while at work. These naps often do not relieve the symptoms of EDS. People with EDS may also have difficulty carrying out their daily activities due to their constant tiredness.
In children, EDS can be harder to identify as it may manifest differently compared to adults. Older children may start taking naps again, while younger children may take longer naps or sleep longer at night. Children may not use the words "sleepy" or "sleepiness" to describe their EDS, and instead, it may appear as hyperactivity, problems paying attention, emotional instability, or irritability. Therefore, healthcare professionals must differentiate sleepiness from "fatigue", "tiredness", or "lack of energy" when screening for EDS and its underlying causes.
To determine the cause of EDS, healthcare professionals may perform a physical examination, order lab tests, and conduct a polysomnogram (PSG), which is a type of sleep study. If narcolepsy is suspected, they may also perform a multiple sleep latency test (MSLT) to assess sleepiness during waking hours. Treatment for EDS is typically directed at the underlying disorder, and medications may be used to manage symptoms. Lifestyle changes can also help reduce EDS symptoms by improving sleep quality.
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EDS is associated with narcolepsy, insomnia, RLS, sleep apnea, and other conditions
EDS, or excessive daytime sleepiness, is often a symptom of narcolepsy. People with narcolepsy experience "sleep attacks", which are sudden and irresistible urges to fall asleep during the day. These episodes can last from a few seconds to several minutes and may occur several times a day. Narcolepsy is a chronic neurological condition that causes fragmented sleep and the quick onset of REM sleep. While the exact cause of narcolepsy is unknown, it is suspected to be linked to low levels of hypocretin, a naturally occurring chemical that promotes wakefulness and regulates REM sleep.
EDS is also associated with insomnia, which is characterised by difficulty falling and staying asleep, as well as waking up earlier than desired. People with insomnia may experience sleep-onset insomnia, where they struggle to relax their minds and fall asleep, or sleep maintenance insomnia, where they wake up in the middle of the night and have trouble falling back asleep. Insomnia can be caused by various factors, including substance use, certain medications, and underlying sleep disorders.
Additionally, EDS has been linked to restless legs syndrome (RLS). RLS causes leg discomfort that is typically worse at night and when sitting or lying down, leading to an urge to move the legs for temporary relief. RLS has been associated with mast cell activation syndrome (MCAS), an inflammatory and allergic disorder. Studies have found a higher prevalence of RLS in patients with MCAS compared to control groups.
Lastly, EDS has been observed in individuals with obstructive sleep apnea (OSA), particularly in those with Ehlers-Danlos Syndrome (EDS). OSA is a type of sleep-disordered breathing (SDB) characterised by repeated breathing stoppages during sleep due to partial or complete airway blockages. Individuals with EDS may have craniofacial abnormalities, such as a high arched palate or scoliosis, that increase the risk for OSA.
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EDS can be challenging to identify in children, as symptoms differ from adults
Excessive Daytime Sleepiness (EDS) is a symptom of various sleep disorders, including insomnia, narcolepsy, sleep apnea, and restless leg syndrome. EDS is characterised by significant drowsiness and tiredness during the day, even after getting enough sleep at night.
While EDS can affect people of all ages, it can be particularly challenging to identify in children. This is because the presentation of EDS in children can differ significantly from adults. For example, younger children with EDS may take longer naps or sleep longer at night, which may be mistaken for a typical need for more sleep at these developmental stages. Older children, on the other hand, may start taking naps again, which could be dismissed as a normal response to growth or increased activity levels.
Additionally, children may not have the vocabulary to describe their sleepiness accurately. They may use words like "tired," "fatigued," or "lack of energy" instead of "sleepy" or "sleepiness." This distinction is essential, as healthcare professionals need to differentiate sleepiness from fatigue or tiredness when screening for potential sleep disorders like narcolepsy.
In the context of EDS, children may also exhibit behavioural changes, such as hyperactivity, problems paying attention, emotional instability, aggression, irritability, or acting out. These symptoms can lead to misdiagnosis, with Pediatric EDS patients often showing symptoms associated with attention deficit hyperactivity disorder (ADHD). Therefore, it is crucial for healthcare professionals to be vigilant in distinguishing EDS from other disorders and to consider the unique ways in which EDS can manifest in children.
Furthermore, when it comes to managing EDS in children with underlying conditions such as Ehlers-Danlos Syndrome (EDS-hypermobility type), multiple sleep disorders may be present. In one study, 26% of the subjects were diagnosed with obstructive sleep apnea (OSA), which is a form of sleep-disordered breathing. Postural orthostatic tachycardia syndrome (POTS) or dysautonomia was also observed in 80% of patients with EDS. These comorbidities further complicate the identification and management of EDS in this population.
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Treatment for EDS involves addressing the underlying disorder and symptom management
Excessive Daytime Sleepiness (EDS) is not a disorder but a symptom of various sleep-related disorders. EDS causes people to experience significant drowsiness and tiredness throughout the day, despite getting enough sleep. It is often a symptom of another condition, such as insomnia, sleep apnea, or narcolepsy.
Ehlers-Danlos Syndrome (EDS) is a genetic condition that affects the connective tissues in the body, particularly the skin and joints. It is classified into 13 types, with the most common types causing symptoms like loose or unstable joints and fragile skin that tears easily. Treatment for EDS involves addressing the underlying disorder and managing symptoms to prevent dangerous complications.
The initial workup after an EDS diagnosis involves determining how extensively the underlying pathology affects the body. Healthcare providers may recommend a thorough examination of the skin, applying the Beighton criteria, and assessing motor development in infants and children. Imaging techniques such as CT, MRI, and echocardiography can be used to evaluate cardiovascular concerns associated with EDS.
Treating EDS focuses on managing symptoms and preventing complications. While there is no cure for EDS, healthcare providers work with patients to find suitable treatments. These may include medications to reduce symptoms like pain, tachycardia, and anxiety that interfere with sleep. Patients are also advised to wear medical alert bracelets to facilitate emergency medical care if needed.
Additionally, lifestyle changes can help improve sleep quality and reduce EDS symptoms. Cognitive-behavioral strategies, while challenging to implement, offer long-lasting effects even after treatment ends. Hypnotics can provide rapid relief for patients experiencing EDS due to insomnia, but they are typically not intended for indefinite use. Antidepressants with sedative properties, such as citalopram, paroxetine, or mirtazapine, may be prescribed to address sleeplessness associated with depression. However, these drugs may have activating properties and potential adverse effects, such as weight gain.
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Sleep is critical for people with EDS or hypermobility syndrome to manage pain and mood
Sleep is critical for people with Ehlers-Danlos Syndrome (EDS) or hypermobility syndrome to manage pain and mood. EDS is a condition that affects the body's connective tissue, causing a range of symptoms including joint hypermobility, chronic pain, and sleep disorders. People with EDS often experience sleep-disordered breathing (SDB), such as obstructive sleep apnea (OSA), which can disrupt their sleep and impact their overall health.
The relationship between sleep and pain is well-established. Poor sleep can directly lead to increased pain and a decline in physical functioning. While a good night's sleep may only provide temporary relief from pain, chronic sleep deprivation can increase the risk of developing chronic pain in the future. Therefore, it is essential for people with EDS to address any sleep issues to prevent further complications.
Additionally, sleep has a profound impact on mood and cognitive functions. For individuals with hypermobility and EDS, sleep can help moderate the relationship between pain interference, depression, and hypermobile anxiety. However, the connection between sleep and mood is complex, as lack of sleep can also contribute to feelings of anxiety and depression, creating a cycle that further disrupts sleep.
To improve sleep quality, individuals with EDS or hypermobility syndrome may consider investing in a good mattress and sleep mask. A firm yet comfortable mattress can provide adequate support and reduce sleep disturbances caused by an uncomfortable sleeping position. Sleep masks can also enhance sleep by blocking out light and providing a sense of relaxation.
In addition to sleep accessories, certain medications can be used to alleviate symptoms that interfere with sleep, such as pain, tachycardia, and anxiety. However, it is crucial to address the underlying causes of sleep issues, which may include recurrent subluxation or dislocations during sleep, the feeling of being "tired but wired," or pain. By managing these underlying factors, individuals with EDS or hypermobility syndrome can improve their sleep quality and, consequently, their pain management and mood regulation.
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Frequently asked questions
EDS stands for Excessive Daytime Sleepiness.
People with EDS experience significant fatigue and drowsiness despite getting enough sleep. They may also have the compulsion to nap repeatedly during the day, often at inappropriate times, such as during a meal or while at work.
EDS is often a symptom of another condition, such as insomnia, RLS, sleep apnea, or narcolepsy. It can also be caused by behavioural factors or certain medications.
A healthcare professional will determine the cause of EDS by carrying out a physical examination and ordering lab tests to check for underlying causes. They may also recommend a polysomnogram (PSG), which is a type of sleep study.
Treatment for EDS depends on the underlying cause. If it is caused by another condition, the doctor will treat that condition to improve the EDS symptoms. Lifestyle changes, such as improving sleep hygiene and investing in a good mattress, can also help reduce EDS symptoms.







































