Also known as: Excessive Daytime Sleepiness Disorder, Sudden Sleep Attacks, Uncontrollable Sleep Disorder, Sleep Attack Condition, Chronic Sleep Attack Disorder, Falling Asleep Suddenly Disorder
Last Updated: October 31, 2026
Narcolepsy is a rare, long-term brain condition that disrupts the body's natural sleep-wake cycle. It prevents individuals from controlling when they wake or sleep, leading to significant challenges in daily life. This condition is often caused by a lack of hypocretin, a brain chemical that regulates wakefulness. This deficiency is thought to result from the immune system mistakenly attacking the cells that produce it. However, other factors like hormonal changes, stress, or infections can also play a role. While there's no cure, narcolepsy can be managed through lifestyle adjustments, such as scheduled naps and strict bedtime routines, and sometimes medication. Early diagnosis and management are key to minimizing its impact.
Explore our range of treatment options for Narcolepsy:
Affects
Brain's sleep-wake regulation
Prevalence
About 30,000 people in the UK
Diagnosis
Sleep study
Treatment
Lifestyle changes, medication
Consult with our healthcare professionals to discuss your symptoms and treatment options.