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Table 3 Sleep difficulties found among the elderly persons.

From: Measurement properties of the Minimal Insomnia Symptom Scale (MISS) in an elderly population in Sweden

Sleep difficulty

Female

Male

65-74

75-89

90+

Difficulties initiating sleep %

18.6

9.1

13.8

15.5

13.8

Difficulties maintaining sleep %

22.3

15.6

19.5

18.7

21.4

Not being refreshed %

18.2

12.8

17.8

14.2

13.2

No insomnia symptoms %

5.4

8.3

5.8

8.9

1.9

One insomnia symptom %

16.8

12.0

13.4

16.4

13.2

Two insomnia symptoms %

10.4

6.9

9.1

8.9

7.5

Three insomnia symptoms %

6.4

3.7

6.2

3.9

5.7

  1. Insomnia symptom = reports of severe/very severe problems with initiating sleep, maintaining sleep or not being refreshed by sleep.