For people with narcolepsy, however, REM sleep occurs within 15 minutes in the sleep cycle and intermittently during the waking hours. It is during REM sleep that vivid dreams and muscle paralysis ...

Narcolepsy is caused by a deficiency of orexin, a brain chemical that regulates wakefulness and REM sleep. The MSLT and polysomnography are gold standards for diagnosing narcolepsy.

When you have narcolepsy, you don’t have enough neurons that make orexins. Skip to main ... you’ll feel sleepy for long periods of time and your body won’t have much control of REM sleep.

‌If your mean latency was below eight minutes and you experienced REM sleep during no more than two naps, you may have narcolepsy. People with narcolepsy fall asleep quickly and have impaired ...

Sleep paralysis tends to occur when a person is in the REM stage of sleep. It can be frightening, as a person is unable to open their eyes, speak, or move for some seconds or minutes .

Many people with narcolepsy enter REM sleep nearly immediately after falling asleep, rather than cycling through the stages of lighter and deeper NREM sleep first — or they experience the muscle ...

People with narcolepsy often enter REM sleep within minutes of falling asleep rather than the normal 90-minute delay, creating an unstable sleep architecture that prevents truly restorative rest.

Narcolepsy type 1 (NT1) is defined by cataplexy, a sudden loss of muscle tone triggered by strong emotions, alongside excessive daytime sleepiness (EDS), sleep paralysis, hallucinations, and sleep ...

Medically reviewed by Smita Patel, DO Hypersomnia and narcolepsy are both sleep disorders that cause excessive daytime sleepiness and other changes in natural sleep-wake cycles. "Hypersomnia ...

People with narcolepsy do not slowly move through the stages of sleep as the average person does. Instead, they jump to REM sleep quickly, within 15 minutes of falling asleep.

Antidepressants can also reduce REM sleep or trigger REM sleep behavior disorder. And specific conditions — like narcolepsy, obstructive sleep apnea and depression — can elevate your risk of ...