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Frequencies of combined sleep disorders.
| Sleep disorder | Frequency | % |
|---|---|---|
| Two (2) combined sleep disorders | 87 | 19.9 |
| Three (3) combined sleep disorders | 63 | 14.4 |
| Four (4) combined sleep disorders | 21 | 4.8 |
| Five (5) combined sleep disorders | 18 | 4.1 |
| Six (6) combined sleep disorders | 5 | 1.1 |
| Seven (7) combined sleep disorders | 2 | 0.5 |
