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A new bed, designed to fit physiological demands, was investigated in a controlled polysomnographic study in six middle-aged chronic insomniacs. Compared to a hospital bed, sleeping in the experimental bed yielded a number of significant sleep improvements. Normalization of the sleep maintenance function resulted in an increase in sleep duration by 1 h, an effect comparable to that of modern hypnotics...
Intrusion of alpha activity, an electroencephalographic (EEG) pattern typical for wakefulness, into sleep stages has repeatedly been described and investigated in various populations. Some studies suggested that it is a less deep and restorative sleep, but others did not support this interpretation. The present study was carried out to collect ample data on neurophysiology and subjective experience...
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