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  • Title: [The development of falling asleep during the first months of life in man (author's transl)].
    Author: Dittrichová J, Paul K, Vondracek J.
    Journal: Rev Electroencephalogr Neurophysiol Clin; 1981 Sep; 11(1):17-22. PubMed ID: 7313251.
    Abstract:
    Ten normal infants were studied at 2, 6, 12 and 20 weeks of age. EEG, respiratory rhythm, eye movements and chin EMG were recorded after the evening meal. Recording was continued during the stages of sleep. During the period of falling asleep the periods of REM sleep have been analyzed and compared with the periods of REM sleep occurring after non-REM sleep. REM sleep occurring on falling asleep and that occurring after non-REM sleep differed. Some of the following criteria were different at the earliest time of examination; absence of chin EMG activity, number of apnoeic episodes; other criteria (eye movements, respiration) differed during the first 5 months. The large number of eye movements at 2 and 6 weeks and the high respiratory rate, corresponding to that occurring during waking, could indicate that during REM sleep occurring on falling asleep, one is observing manifestations connected with the waking state.
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