Table 3.

Features related to dream frequency in narcoleptic patients: Spearman's correlation coefficients.

	Dream recall frequency		Nightmare frequency		Lucid dream frequency
	Correlation	p-values	Correlation	p-values	Correlation	p-values
Age	−0.116	0.457	−0.067	0.667	−0.174	0.264
Gender	0.079	0.612	0.331	0.030	0.010	0.951
Sleep durationa	0.123	0.461	0.331	0.043	0.016	0.924
Intrasleep wakefulness	0.138	0.379	0.411	0.006	0.138	0.379
Sleep disturbances	0.110	0.481	0.258	0.095	0.069	0.661
Snoring	−0.11	0.942	0.024	0.877	0.016	0.918
Sleepiness	0.443	0.003	0.465	0.002	0.391	0.009

^aCorrelations performed on 38 narcoleptic patients for missing data on this item.

α = 0.05. Values in bold indicate significant difference.