Table 1

- Sociodemographic data of study participants, Al-Ahsa, Saudi Arabia.

Sociodemographic data	n	%
Age in years
18-35	427	81.5
36-55	83	15.8
>55	14	2.7
Gender
Male	145	27.7
Female	379	72.3
Marital status
Single	300	57.3
Married	224	42.7
Educational level
Below secondary	9	1.7
Secondary	77	14.7
University / above	438	83.6
Work
Not working	128	24.4
Student	271	51.7
Working	106	20.2
Retired	19	3.6
Had psychological disorders
None	303	59.2
Anxiety	129	25.2
Stress disorders	2	0.4
Depression	29	5.7
Others	49	9.6
Family history of sleep paralysis
Yes	369	70.4
No	155	29.6