Table 3.

PSG data.

	FXS (n = 6) (1)
	Mean	SD
Age	14.87	4.12
TIB (min)	518.80	59.22
TST (min)	399.08	85.92
Sleep efficiency	78.63	19.95
Sleep latency	32.30	27.47
REM latency	179.17	79.24
SPT (min)	465.20	44.70
Awakening/h	0.68	0.46
WASO (% SPT)	18.78	23.30
REM (%)	14.43	2.63
N1 (%)	14.38	10.17
N2 (%)	46.12	3.20
N3 (%)	25.03	8.38

SD, standard deviation; FXS, fragile X syndrome; TIB, time in bed; REM, rapid eye movement (sleep state); TST, total sleep time; SPT, sleep period time; WASO, wake after sleep onset; N1, N2, N3, sleep states.