Table 1.

Individual-subject baseline sleep-like parameters

Subject	Age	Symbol on Graphs	Sleep Latency (min)	Sleep Efficiency (%)
Experiments 1–3, Figures 1–3
271–2002 (M)	19	Circle	1.2 (0 – 9)	94.5 (92.4 – 96.2)
205–2002 (M)	19	Triangle	18.1 (8 – 21)	85.7 (80.1 – 89.2)
385–2001 (M)	20	Square	10.9 (8 – 20)	86.6 (83.5 – 89.3)
248–2005 (M)	16	Rhombus	73.3 (71 – 170)	68.5 (62.9 – 72)
		Mean ± SEM=	25.9 ± 16.2	83.8 ± 5.5
Experiment 4, Figure 4
248–2005 (M)	16	Rhombus	83.8 (33 – 324)	63.1 (59.8 – 73.3)
98–003 (M)	25	Hexagon	35.2 (13 – 45)	56.9 (54 – 62.2)
BG-93 (F)	10	Inverted triangle	75.2 (18 – 164)	53.1 (49.3 – 56.5)
BH-91 (F)	9	Crossed square	72.2 (12 – 166)	64.4 (56 – 68.3)
		Mean ± SEM=	66.6 ± 10.7	59.4 ± 2.7

M = male rhesus monkey; F = female rhesus monkey. Individual data are expressed as mean (range) for a 7-day period of baseline sleep recording. Grouped data are expressed as mean ± SEM.