About this trial
Non-24-hour sleep-wake disorder (Non-24) is a condition experienced primarily by totally blind individuals that results in abnormal night sleep patterns and chronic daytime sleepiness. This is a research protocol to develop a patient registry of subjects who may suffer from Non-24 and who are blind. Subjects participate in the study through a phone survey. This registry will be used to better understand, sleep related problems in blind individuals, including the investigation of a potential treatment, recruitment for future clinical studies, and to provide a forum for raising awareness about Non-24. The survey consists of questions regarding the degree of vision impairment and sleep problems that the subjects may be experiencing.
Eligibility criteria
Qualifiers
Subjects or legal guardians must be at least 18 years of age to participate in the telephone survey. Parents or legal guardians may represent children from 0 through 17 years who meet the following criteria.
Subjects must be blind.
Subjects must have some self-described problem with sleep or daytime sleepiness.
Disqualifiers
None
Trial design
Treatments tested in this trial
- Data collection on blindness and sleep problems