Let's bump up your 95% to 100%. I found the visit descriptions here: http://sof.ucsf.edu/Docs/Complete_description_of_each_visit.pdf.
Visit 8 was the PSG:
Sleep
Wrist Actigraphy
- Average 4 nights/5 days actigraphy data Ambulatory Monitoring Inc.
Sleep-Watch® O
Polysomnography (in-home, subset of 500) Siesta® by Compumedics
Plus standard questionnaires:
Sleep patterns Pittsburgh Sleep Quality Index, Epworth
Sleepiness Scale, Functional Outcomes of
Sleep Questionnaire, minutes until asleep,
time wake up/fall asleep, hours per night,
problems associated with, frequency
Visit 9 included the standard questionnaires for everyone, and some specific followups for the sleep subset.
Sleep patterns:
Pittsburgh Sleep Quality Index, Epworth
Sleepiness Scale, minutes until asleep, time
wake up/fall asleep, hours per night,
problems associated with, frequency
ADDITIONAL MEASURES FOR SLEEP/COGNITION VISIT
SOF Details of Measurements (updated June 2013) p 26 of 29
Wrist Actigraphy
Average 4 nights/5 days actigraphy data Octagonal Motionlogger SleepWatch
(catalog no. 26.100)
Oximetry Masimo Rad8 Signal Extraction Pulse
Oximeter
Sleep Patterns Functional Outcomes of Sleep Questionnaire
Restless Legs Syndrome Questionnaire
Visual Acuity Bailey-Lovie Exam