Kate was trying to fall asleep when her 8-year-old brother, Dick, came into her room. Dick looked around in 1 room, and then he went back into the hallway and stood there 2 the light above.
Sometimes Dick likes to play jokes on his sister, but it was really 3 for her to see her brother behave like that. Kate didn't know what to do. Just then, their father 4 and explained that Dick was sleepwalking.
Not all 5 is the same every night. We experience quiet sleep or active sleep. Dreams happen 6 active sleep. You might think sleepwalking would happen during active sleep, too. But a person isn't physically active during active sleep. Sleepwalking 7 happens in the first few hours of sleep.
Not all sleepwalkers actually 8 . Some simply sit up or stand in bed or act just like they're awake. At that time, 9 , they're asleep! However, most do get up and move around for a few seconds or for as 10 as half an hour.
Sleepwalkers' eyes are open, 11 they don't see the same way they do when they're awake. And they often go to 12 rooms of the house or different places. Sleepwalkers can go back to 13 on their own and they won't 14 it the next morning.
Researchers estimate* that up to 15% of the 15 , from 6 to 12 years old, sleepwalk regularly. Sleepwalking may happen when a person is sick, has a fever, or is stressed.
