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The role of actigraphy in the study of sleep and circadian rhythms.
- S. Ancoli-Israel, R. Cole, C. Alessi, M. Chambers, W. Moorcroft, C. Pollak
- Medicine, PsychologySleep
- 1 May 2003
It is suggested that in the clinical setting, actigraphy is reliable for evaluating sleep patterns in patients with insomnia, for studying the effect of treatments designed to improve sleep, in the diagnosis of circadian rhythm disorders (including shift work), and in evaluating sleep in individuals who are less likely to tolerate PSG, such as infants and demented elderly.
Delayed sleep phase syndrome. A chronobiological disorder with sleep-onset insomnia.
A new syndrome called "delayed sleep phase insomnia" is described, which is proposed to be a disorder of the circadian sleep-wake rhythm in which the "advance" portion of the phase response curve is small.
Sleep disorders in multiple sclerosis.
The most common sleep disorders seen in patients with MS include insomnia, nocturnal movement disorders, sleep-disordered breathing, narcolepsy, and rapid eye movement sleep behavior disorder.
Periodic movements in sleep (nocturnal myoclonus): Relation to sleep disorders
The results suggest that although PMS is responsible for disturbed sleep in relatively few patients, chronic sleep‐wake disturbance is associated with PMS and may lead to the development of these movements.
Efficacy and safety of modafinil (Provigil®) for the treatment of fatigue in multiple sclerosis: a two centre phase 2 study
- K. Rammohan, J. Rosenberg, D. J. Lynn, A. Blumenfeld, C. Pollak, H. Nagaraja
- Medicine, PsychologyJournal of neurology, neurosurgery, and…
- 1 February 2002
Data suggest that 200 mg/day modafinil significantly improves fatigue and is well tolerated in patients with MS.
Caffeine consumption and weekly sleep patterns in US seventh-, eighth-, and ninth-graders.
Higher caffeine intake in general was associated with shorter nocturnal sleep duration, increased wake time after sleep onset, and increased daytime sleep, andLimitation of the availability of caffeine to teenagers should be considered.
Sleep Problems and Institutionalization of the Elderly
Sleep problems of the elderly contribute heavily to the decision to institutionalize an elder and thus to the social and economic cost of institutional care, and appear to do this largely by interfering with the sleep of caregivers.
Assessment of sleepiness and unintended sleep in Parkinson's disease patients taking dopamine agonists.
Sleep problems in the community elderly as predictors of death and nursing home placement
- C. Pollak, D. Perlick, Jerome P. Linsner, J. Wenston, F. Hsieh
- Medicine, PsychologyJournal of Community Health
- 1 April 1990
In 1984–85, 1855 elderly residents of an urban community responded to a comprehensive baseline interview that included questions regarding an extensive set of sleep characteristics and problems, and insomnia was the strongest predictor of both mortality and nursing home placement.
Sleep spindle frequency changes during the menstrual cycle
Five healthy adult women aged 20 to 28 had 12–15 polysomnographic recordings, as well as daily basal body temperature and multiple LH, FSH, estrogen and progesterone measurements taken during a single menstrual cycle, showing that the frequency of sleep spindles changed markedly over the menstrual cycle.