P. A. Indursky

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Polysomnography was performed during two consecutive nights in 23 patients with major depression. After every final awakening patients estimated the change of their mood from evening to morning: 1. Mood worse in the morning than in the evening; 2. Mood does not change; 3. Mood better in the morning. When mood was estimated as being better in the morning(More)
INTRODUCTION To our knowledge there is no evidence in the literature about the relationship between subjective sleep estimation and objective sleep variables in depression. It is not known whether the subjective estimation of sleep quality and sleep duration is directly related to any objective sleep variable in depressed patients. METHODS Thirty patients(More)
Twenty-seven depressed patients and 10 healthy subjects were investigated in the sleep laboratory during two to three consecutive nights. Eleven of the 27 patients demonstrated the "first night effect" (group I) and 11 other patients demonstrated a clear absence of the "first night effect" (group II). Five of the 27 depressed patients were omitted from the(More)
Neocortical EEG slow wave activity (SWA) in the delta frequency band (0.5–4.0 Hz) is a hallmark of slow wave sleep (SWS) and its power is a function of prior wake duration and an indicator of a sleep need. SWS is considered the most important stage for realization of recovery functions of sleep. Possibility of impact on characteristics of a night sleep by(More)
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