Have a glazed, glassy-eyed expression. Not respond or communicate with others. Be difficult to wake up during an episode. Be disoriented or confused for a short time after being awakened.

Can you suddenly start sleepwalking?

Although rare, some people may only start sleepwalking in their adult years. Sleep researchers have identified several health conditions, activities, and substances that are known to trigger sleepwalking episodes. It's also possible that you inherited your tendency to sleepwalk.

What does sleepwalking feel like?

It's difficult to wake someone up while they're sleepwalking. When awakened, a person may feel groggy and disoriented for a few minutes. Despite its name, sleepwalking (also called somnambulism) involves more than just walking.