Table 3.

Comparison of Young and Middle Age Sleep

	Young Adults	Middle Age Adults	p-value
TST	67.90 ± 3.36	52.19 ± 5.23	0.02
Onset Latency	9.60 ± 1.51	12.40 ± 2.60	0.34
REM latency	53.42 ± 4.55	60.50 ± 4.48	0.31
WASO	14.41 ± 2.36	29.19 ± 3.59	0.001
Efficiency	73.94 ± 3.64	55.36 ± 5.38	0.007
Stage 1 %	16.96 ± 1.75	32.11 ± 3.69	0.001
Stage 2 %	42.73 ± 3.06	51.05 ± 3.19	0.07
SWS %	30.61 ± 3.54	9.42 ± 3.21	< 0.001
REM %	9.70 ± 1.96	6.67 ± 1.93	0.28

Mean ± SEM