Published on: 6/26/2025
If you are wondering if you have narcolepsy, you can start by assessing whether you have symptoms of excessive daytime sleepiness. For example, you can ask yourself if you have the sudden urge to sleep even after getting a full night's sleep, or if you fall asleep in the middle of eating, working, or talking with someone. To be certain about a diagnosis of narcolepsy, you will need to consult a healthcare provider. This healthcare provider will provide a personalized medical assessment of your symptoms. Also, the healthcare provider may recommend specialized sleep testing, such as the Multiple Sleep Latency Test (which evaluates how quickly you fall asleep in a quiet environment during the day).
Narcolepsy is a sleep disorder that can make people feel very sleepy during the day. If you are wondering if you have narcolepsy, you can start by asking yourself if you have the sudden urge to sleep even after getting a full night's sleep, or if you fall asleep in the middle of eating, working, or talking with someone. Another question is about how you feel after a nap; specifically, after a nap, does the feeling of alertness after you wake up napping quickly change to sleepiness?
To be certain about a diagnosis of narcolepsy, you will need to consult a healthcare provider. This healthcare provider will provide a personalized medical assessment of your symptoms. Also, the healthcare provider may recommend some tests, such as sleep test called polysomnography (PSG), which is performed in a healthcare facility designed to conduct sleep tests. Patients undergoing the PSG test stay overnight in the healthcare facility to complete this test.
Another part of testing for narcolepsy, the Multiple Sleep Latency Test (MSLT) (which helps measure how fast you can fall asleep during the day when you're in a quiet place), often takes place a few hours after PSG testing is finished. A healthcare provider may also recommend additional tests, depending on your symptoms. Also, more information about narcolepsy (including how narcolepsy is diagnosed) is available at https://sleepeducation.org/sleep-disorders/narcolepsy/.
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