Rank

Keywords

Counts

Rank

Keywords

Counts

1

Insomnia

337

11

older adults

12

2

depression

328

12

meta-analysis

10

3

Anxiety

148

13

cancer

9

4

covid-19

62

14

epidemiology

9

5

Sleep

48

15

major depressive disorder

9

6

mental health

32

16

network analysis

9

7

Stress

22

17

pain

9

8

quality of life

18

18

suicidal ideation

9

9

comorbidity

13

19

fatigue

8

10

cbt-i

12

20

major depression

8