What can cause a person to fall asleep suddenly?

What can cause a person to fall asleep suddenly?

Narcolepsy is a neurological disorder that affects your ability to wake and sleep. People with narcolepsy have excessive, uncontrollable daytime sleepiness. They may also suddenly fall asleep at any time, during any type of activity.

Why do I dream immediately after falling asleep?

Sleep paralysis and vivid dreams can occur while falling asleep or waking up. … People with narcolepsy may dream even when they only fall asleep for a few seconds. Along with vivid dreaming, people with narcolepsy are known to have audio or visual hallucinations prior to falling asleep.

Why does it take me so long to fall asleep?

It happens because you are unable to turn off your thoughts and relax at night. It can also occur because your body is not prepared to sleep. Most likely because you had a lot of caffeine or because of the changes in your circadian rhythm. It can also happen for some other reason, like jet lag, for instance.