Variable Mean (SD) Range
Age 38.8 (14.9) 19–71
BMI 25.8 (5.2) 18–37
Sleep hours to feel rested (BRFSS #1) 7.8 (3.3) 5–24
Average hours of sleep (BRFSS #2) 7.0 (1.1) 4–8
Epworth sleepiness scale 5.8 (4.9) 0–21
Actigraphy measures:
Total sleep time (hours) 6.8 (.9) 4.6–8.2
Sleep efficiency (%) 82.0 (5.8) 71–91
Sleep latency (minutes) 17.0 (11.7) 0–47
Wake after sleep onset (minutes) 48.9 (15.1) 24–68
Gender Male/Female 8/22
Racea W/AA/Asian 28/1/1
Comorbiditiesb Heart attack 3
Irregular rhythm 1
Metabolic syndrome 2
Asthma 3
Depression 4
Anxiety