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Nine volunteer poor sleepers, of mean age 61 years, took trazodone 150 mg nightly for 3 weeks, preceded by 2 weeks and followed by 1 week of matching blanks, in order to examine the effects of electrophysiologically-recorded and subjectively-rated sleep. The second of the initial weeks of matching blanks served as a baseline week. In the subjective ratings,(More)
Sleep problems are often under-diagnosed, but may have a profound impact on work performance. The purpose of this study was to validate the Dutch version of the Occupational Impact of Sleep Questionnaire (OISQ). A total of 555 adults with a regular daytime job completed the OISQ. In addition, they also completed the Pittsburgh Sleep Quality Index (PSQI),(More)
There is an identified need for objective, reliable, and scalable methods of measuring and recording sleep. Such methods must be designed for easy integration into people's lives in order to support both sleep therapy and everyday personal informatics. This paper describes the design and evaluation of a mobile phone application to record sleep, the design(More)
Whether subjects with insomnia exhibit good sleep on some interval basis is unclear. Prior research suggests that patients with insomnia are highly variable with respect to night-to-night sleep continuity, that more than 40% of patients exhibit temporal patterning of good sleep, and that nearly 90% of patients exhibit better than average sleep following 1(More)
Profiles of sleeping habits, subjective sleep quality, and mental and physical well-being were obtained from 1023 elderly individuals randomly sampled from the Nottinghamshire Family Practitioner Committee's records. Subjective insomnia at least 'sometimes' was reported by 37.9% of the sample. Discriminant analysis of selected health and demographic(More)
This study evaluated the effect of game venue and starting status on precompetitive psychophysiological measures in elite rugby union. Saliva samples were taken from players (starting XV, n = 15, and nonstarters, n = 9) on a control day and 90 min before 4 games played consecutively at home and away venues against local rivals and league leaders.(More)
The daytime performance efficiency of 12 elderly subjects of average age 81.5 years (range 75-96 years) was examined in a cross-over study following lormetazepam 1 mg, nitrazepam 5 mg, and placebo capsules nightly for 7 nights. Performance was assessed on the Gibson spiral maze, and a reciprocal tapping task. In both tasks the speed and the accuracy of(More)