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Publications (4)15.05 Total impact

  • Psychophysiology 06/1983; 20(3):243-50. · 3.26 Impact Factor
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    ABSTRACT: All-night sleep recordings were obtained from 12 good sleepers and 12 sleep-maintenance insomniacs (aged 20–60 yrs) on three consecutive postadaptation nights. Ss completed a sleep diary each morning and evening. Spouses of good sleepers completed independent reports of Ss' sleep. Insomniacs reported significantly more minutes to onset of Stage 1 sleep, more minutes awake after sleep onset, and fewer awakenings than were observed in the sleep recordings. Good sleepers' self-report values for minutes to sleep onset and minutes awake after sleep onset were not significantly different from recorded values. Good sleepers reported fewer number of awakenings than were observed in the recording. Spouses of good sleepers agreed with recorded and reported estimates of minutes to sleep onset but reported significantly different values for minutes awake after sleep onset and number of awakenings. The multitrait-multimethod analysis showed that data from self- and spouse reports provided valid information for estimates of minutes to sleep onset for good sleepers and for minutes to sleep onset and minutes awake after sleep onset for insomniacs. (19 ref)
    Journal of Consulting and Clinical Psychology 07/1982; 50(3):345-52. · 4.85 Impact Factor
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    ABSTRACT: Twelve good sleepers and 12 insomniacs were recorded over three nights in their homes. Subjective assessment of sleep indicated minimal disruption due to sleep recording procedures. A cut point of 88 per cent sleep efficiency resulted in correct classification of nine poor sleepers and 10 good sleepers. Multiple discriminant function analyses, using variables related to rapid eye movement sleep, resulted in the same number of correct classifications. The two indices combined resulted in 100 per cent exclusion of false positives for good sleepers and insomniacs. Insomniacs also showed more night-to night variability in sleep and greater difficulty in returning to sleep once aroused. These results show that good sleepers and insomniacs can be distinquished with a high degree of resolution using variables derived from the home all-night sleep recording.
    Journal of Nervous & Mental Disease 05/1982; 170(4):224-30. · 1.84 Impact Factor
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    ABSTRACT: Home sleep recordings were conducted over four consecutive nights with 12 good sleepers and 12 sleep-maintenance insomniacs. Good sleepers showed decreased sleep efficiency and increased min awake after sleep onset on night 1. Insomniacs showed extended latency to onset of the first REM period and decreased REM in the first third of the initial recording night. Good sleepers and insomniacs reported no significant differences in adequacy of sleep between the first and subsequent sleep nights.
    Sleep 10/1981; 4(3):293-8. · 5.10 Impact Factor