Table 2.

Sleep log data.

	FXS (n=6)
	Mean	SD
Age	14.87	4.12
TST (h)	9.72	0.81
Variability of sleep duration (h)	0.77	0.71
Sleep latency (min)	8.69	6.57
Variability of sleep latency (min)	7.67	7.31
Number of night wake episodes	1.00	1.30
Total night awake period (min)	2.91	3.66
Variability of sleep onset (h)	0.35	0.19
Variability of sleep termination (h)	0.49	0.27

SD, standard deviation; FXS, fragile X syndrome; TST, total sleep time; h, hour; min, minute.