• Isabelle Raymond, Tore A Nielsen, Gilles Lavigne, Christiane Manzini, and Manon Choinière.
• Burn Center, Hôtel-Dieu du Centre hospitalier de l'Université de Montréal 3840 St-Urbain, Montreal, Québec H2W 1T8, Canada Centre d'étude du sommeil, Hôpital Sacré-Cœur de Montréal, Montreal, Québec, Canada.
• Pain. 2001 Jun 1; 92 (3): 381-388.

AbstractSleep disturbances are frequently reported in victims following burn injuries. This prospective study was designed to assess sleep quality and to examine its daily relationship to pain intensity within the first week of hospitalization. Twenty-eight non-ventilated patients were interviewed during 5 consecutive mornings (number of observations=140) to collect information about perceived quality of sleep (visual analogue scale, number of hours, number of awakenings, presence of nightmares). Pain intensity was assessed at rest (nighttime, morning, during the day) and following therapeutic procedures using a 0-10 numeric scale. Seventy-five percent of patients reported sleep disturbances at some point during the study although, in most patients, sleep quality was not consistently poor. Pooled cross-section regression analyses showed significant temporal relationships between quality of sleep and pain intensity such that a night of poor sleep was followed by a significantly more painful day. Pain during the day was not found to be a significant predictor of poor sleep on the following night. These results support previous findings that perceived quality of sleep following burn injury is poor. Moreover, they show a daily relationship between quality of sleep and acute burn pain in which poor sleep is linked to higher pain intensity during the day.

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