Sleep disturbances, fibromyalgia (FM) & primary Sjogren’s syndrome

OBJECTIVE: To investigate the association and prevalence of sleep

disturbances and fibromyalgia (FM) in a group of patients with

primary Sjogren’s syndrome (pSS).

METHODS: Sixty-five patients

with pSS were investigated. A 10-point Mini Sleep

Questionnaire (MSQ) was completed focusing on sleep

complaints. The same questionnaire was also used in three

control groups: Group A-67 patients with rheumatoid arthritis.

Group B-53 patients with rheumatoid arthritis (RA) and sicca

symptoms; Group C-31 patients with osteoarthritis. All

patients with pSS were also studied fro the presence of FM.

RESULTS: Moderate or severe sleep disturbances were reported

by 49 out of 65 pSS patients (75%). This frequency was

significantly higher than that reported by patients in the

three control groups (p < 0.001). FM was present in 36 out of

65 pSS patients (55%) and was associated with sleep

disturbances. FM or sleep disturbances were not associated

with any clinical or laboratory parameters.


results suggest that sleep abnormalities and FM in pSS

patients are frequent and their etiology might involve other

mechanisms besides joint pain or sicca symptomatology.

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