
Increased orexin in this disorder is associated with disease severity, total tau protein levels, sleep impairment, and cognitive deterioration.

Increased orexin in this disorder is associated with disease severity, total tau protein levels, sleep impairment, and cognitive deterioration.

A significant percentage of patients with MS in the sample screened positive for 1 or more sleep disorders. Most were undiagnosed.

Recent studies have suggested that H1N1 influenza might be the trigger for some patients, but a number of interesting questions remain.