Nocturnal motor activity in fibromyalgia (FM) patients with poor sleep quality

Nocturnal motor activity was examined in long-term rehabilitation
patients complaining of poor sleep and having fibromyalgia
syndrome (N = 24) or other musculoskeletal disorders (N = 60)
and compared with that in 91 healthy controls drawn from a
random community sample. Self-reports on sleep complaints and
habits were collected. The frequency of nocturnal body
movements, the "apnoea" index and ratio of "quiet sleep" to
total time in bed were measured using the Static Charge
Sensitive Bed (SCSB) (BioMatt). As a group, patients with
fibromyalgia syndrome did not differ from patients with other
musculoskeletal disorders or from healthy controls in their
nocturnal motor activity. The "apnoea" index was a little
higher in the fibromyalgia group than in the healthy control
group but did not differ from that of the group of other
musculoskeletal patients. Further multivariate analyses
adjusted for age, BMI, medication and "apnoea" index did not
support the assumption that an increased nocturnal motor
activity characterizes patients with fibromyalgia syndrome.
EM- 9509

Hyyppa MT, Kronholm E

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