“The exhaustion is just indescribable.”– Scott

Learn more about the impact of narcolepsy. Sign Up Now »

Learn more about the impact of narcolepsy. Sign Up Now »

What Is Excessive Daytime Sleepiness in Narcolepsy?

All people living with narcolepsy have excessive daytime sleepiness (EDS).

People living with narcolepsy feel a constant and often uncontrollable desire to sleep throughout the day, resulting in a constant and uncontrollable need for sleep or unintentionally falling asleep.

Excessive daytime sleepiness is more than just falling asleep.

Excessive daytime sleepiness montage video thumbnail
Watch Video

What Does Excessive Daytime Sleepiness With Narcolepsy Feel Like?

Emily, Scott, Sharon, & Sean
Living with narcolepsy

Four Personal Stories: Four people living with narcolepsy share their experience of what excessive daytime sleepiness feels like for them.

Matt recognizing excessive daytime sleepiness video thumbnail
Watch Video

Recognizing Narcolepsy and Excessive Daytime Sleepiness

Matt
Living with narcolepsy

In college, Matt recognized that he was always the first one to leave the party, but he didn’t know it was because of excessive daytime sleepiness associated with narcolepsy.

Everyone else would be going out... I would be in bed by 10 o'clock... I just assumed it was me.

Matt, living with narcolepsy

Excessive daytime sleepiness montage video thumbnail
Watch Video
Matt recognizing excessive daytime sleepiness video thumbnail
Watch Video
Excessive daytime sleepiness montage video thumbnail

What Does Excessive Daytime Sleepiness With Narcolepsy Feel Like?

Matt recognizing excessive daytime sleepiness video thumbnail

Recognizing Narcolepsy and Excessive Daytime Sleepiness

What Does Excessive Daytime Sleepiness With Narcolepsy Feel Like?

Emily, Scott, Sharon, & Sean
Living with narcolepsy

Four Personal Stories: Four people living with narcolepsy share their experience of what excessive daytime sleepiness feels like for them.

Recognizing Narcolepsy and Excessive Daytime Sleepiness

Matt
Living with narcolepsy

In college, Matt recognized that he was always the first one to leave the party, but he didn’t know it was because of excessive daytime sleepiness associated with narcolepsy.

Everyone else would be going out... I would be in bed by 10 o'clock... I just assumed it was me.

Matt, living with narcolepsy

Excessive Daytime Sleepiness Is More Than Just Falling Asleep

EDS is not always obvious. Explore the different ways people living with narcolepsy may experience EDS.

How much is narcolepsy interfering with your daily activities or enjoyment of life?

Take this assessment a few times each year before visiting with your healthcare provider. Print or email your results and share them with your healthcare team to help you have informed discussions about your treatment plan.

Assess your symptoms »

Your
Narcolepsy Symptoms

Know Narcolepsy assessment tool mobile image
Hypocretin or orexin molecule icon

What causes narcolepsy symptoms?

Learn »
Head and neck cataplexy icon

Most people living with narcolepsy have cataplexy, but may not recognize it.

Learn more »
Connect With Know Narcolepsy on Social Media:
YouTube logoFacebook logoInstagram logo

Vivid dream-like experiences that occur while falling asleep or while waking up.

Occurs at night and includes dreams; muscles are not active to prevent people from acting out dreams.

People with type 1 narcolepsy can be diagnosed by their cataplexy or low levels of hypocretin (also known as orexin).

The cause of type 2 narcolepsy is unknown.

Restorative sleep state with decreased muscle tone.

Daytime and evening habits to improve sleep.

Brief total loss of voluntary muscle control when falling asleep or while waking up.

Also known as orexin, hypocretin is a naturally occurring chemical in the brain that helps maintain wakefulness and prevent non-REM sleep and REM sleep from occurring at the wrong time.

Unintentionally falling asleep due to excessive daytime sleepiness; “sleep attacks.”

The inability to stay awake and alert during the day; a constant need for sleep or unintentionally falling asleep.

A naturally occurring chemical in the brain that helps maintain wakefulness.

Vivid dream-like experiences that occur while falling asleep or while waking up.

Frequent shifts between different states of sleep and wakefulness at night.

Difficulty focusing or concentrating.

Brief loss of muscle tone with retained awareness, often triggered by strong emotions.

Performance of routine tasks without awareness or memory.