Upper Airway Resistance Syndrome People with UARS may complain of daytime sleepiness. Often, this hypersomnia is associated with repeated transient arousals in response to effortful breathing in sleep. People with this condition may be thin and exhibit narrowing of the upper airway. The prevalence of this condition is unknown. Many have high blood pressure, some are overweight and almost all exhibit narrowing of the upper airway.
Daytime sleepiness remains problematic with many.
Periodic Limb Movement Disorder PLMD is a movement disorder of sleep. Characterized by stereotypic movements of the lower extremities, some people with this condition complain of insomnia or excessive daytime sleepiness. Stiffness in the lower legs following the sleep episode may be a significant clue to the presence of the disorder. The prevalence of this disorder is unknown. Following a period of stress, many people become emotionally aroused and simply cannot sleep well.