Table 2 Demographic data and Insomnia Severity Index as reported by thirteen Arabic-speaking refugees receiving treatment for substance use in two rehabilitation centers in Berlin

SU1-r

52/m

Divorced

Tunisia

Intermediate

Secondary

19

15–21 moderate /clinical

SU2-r

22/m

Single

Somalia

Beginner

Secondary

1

0–7 not clinical

SU3-r

32/m

Single

Lebanon

Intermediate

Primary

26

22–28 severe/clinical

SU4-r

33/m

Single

Egypt

Beginner

Secondary

11

8–14 sub-threshold

SU5-nr

48/m

Single

Syria

Beginner

Secondary

22

22–28 severe/clinical

SU6-nr

47/m

Married

Lebanon

Beginner

Secondary

13

8–14 sub-threshold

SU7-nr

31/m

In relationship

Lebanon

Intermediate

Primary

18

15–21 moderate /clinical

SU8-nr

24/m

Single

Lebanon

Intermediate

Primary

8

8–14 sub-threshold

SU9-nr

21/m

Single

Egypt

Beginner

Secondary

14

8–14 sub-threshold

SU10-nr

27/m

Married

Yemen

Beginner

Secondary

14

8–14 sub-threshold

SU11-nr

43/m

Single

Libya

Beginner

Primary

19

15–21 moderate /clinical

SU12-r

37/m

Single

Syria

Intermediate

Primary

10

8–14 sub-threshold

SU13-r

30/m

Single

Iraq

Fluent

Secondary

12

8–14 sub-threshold