The investigators are doing this study to look at sleep problems, daytime sleepiness, and
thinking and behavior patterns in children with arthritis and in children without arthritis.
Arthritis is a problem with joints. Some children have arthritis and some children do not
Sleep disordered breathing is a sleeping problem in which some children snore and have pauses
in their breathing during sleep. It is associated with not enough or fragmented sleep, poor
school performance, problems paying attention, and behavior problems.
The investigators do not know how many children with arthritis have sleep problems, and how
it is linked to daytime sleepiness and children's learning, and behavior patterns compared to
children without arthritis. The investigators need to study both children with arthritis and
children without arthritis to learn more about these connections and to understand if they
are the same or different in children with arthritis and in children without arthritis.