Table 1.

Demographics and sleep data (n = 11 unless otherwise indicated)

Age	21.51 ± 1.72 years, range = 19–24
Sex	4 males/7 females
Race	6 Caucasian, 3 African-American, 1 Asian-Pacific, 1 refused to provide info
PSQI	1.82 ± 1.17, range = 0–4
CSM	34.20 ± 4.86, range = 28–42
Sleep diary (n=10)
Sleep onset (clock time)	1:01± 0:54, range = 23:44–2:31
SOL (min)	8.04±1.66, range = 0.00–15.00
WASO (min)	2.90±0.88, range = 0.00–6.63
Sleep offset (clock time)	8:36± 0:49, range = 7:50–10:05
TST (h)	7.53±0.97, range = 5.25–8.33

Notes: PSQI = Pittsburgh Sleep Quality Index; CSM = Composite Scale of Morningness; SOL = Sleep onset latency; WASO = Wake after sleep onset; TST = Total sleep time