So sleep problems were very common in our survey. In an international cohort of patients with hematological malignancies, almost 60% reported that their sleep had worsened after the diagnosis. And among those who completed the Pittsburgh Sleep Quality Index, 80% had poor global sleep quality at the time of the survey. What is really important is that this was not only difficulty sleeping, patients reported sleep fragmentation, difficulty falling asleep, waking during the night, early morning awakening, significant daytime sleepiness...
So sleep problems were very common in our survey. In an international cohort of patients with hematological malignancies, almost 60% reported that their sleep had worsened after the diagnosis. And among those who completed the Pittsburgh Sleep Quality Index, 80% had poor global sleep quality at the time of the survey. What is really important is that this was not only difficulty sleeping, patients reported sleep fragmentation, difficulty falling asleep, waking during the night, early morning awakening, significant daytime sleepiness. So sleep disturbance also appeared very early, within the first week after diagnosis, and many patients already reported mild to moderate or significant sleep impairment.
The key message is that sleep is not a minor supportive care issue. It is part of the disease experience. It is connected with anxiety, fatigue, pain, night sweats, treatment effects, and psychological distress. Yet it is often not discussed systematically in clinic. So these findings suggest that sleep should be routinely assessed in hematology care, just like we assess fatigue, infection risk, or treatment toxicity. Patients may not volunteer sleep problems unless we ask directly.
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