Subject area	Neuroscience, Neurobiology
More specific subject area	Psychiatry, sleep, psychophysiological insomnia
Type of data	Table, text file, m-file, mat file,
How data was acquired	Polysomnography, Matlab software
Data format	Filtered, analyzed,
Experimental factors	Sleep questionnaire were used for subjective features. Age, gender, height, weight, education, marriage, and body mass index were used as covariates.
Experimental features	Power spectrum includes delta, theta, alpha and beta bands. Parameters from nonlinear analysis (Poincare's map and standard descriptors).
Data source location	Samples were collected in the Sleep Disorders Research Center in Kermanshah University of Medical Science.
Data accessibility	The dataset is freely available at[1]for any academic, educational, and research purposes.
	http://dx.doi.org/10.17632/3hx58k232n.4