Timothy H Monk

Summary

Affiliation: University of Pittsburgh
Country: USA

Publications

  1. pmc Circadian type and bed-timing regularity in 654 retired seniors: correlations with subjective sleep measures
    Timothy H Monk
    Neuroscience Clinical and Translational Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, 3811 O Hara Street, Pittsburgh, PA 15213, USA
    Sleep 34:235-9. 2011
  2. pmc Depression in the spousally bereaved elderly: correlations with subjective sleep measures
    Timothy H Monk
    Department of Psychiatry, University of Pittsburgh, 3811 O Hara Street, Pittsburgh, PA 15213, USA
    Depress Res Treat 2013:409538. 2013
  3. pmc Shiftworkers report worse sleep than day workers, even in retirement
    Timothy H Monk
    Sleep and Chronobiology Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
    J Sleep Res 22:201-8. 2013
  4. ncbi request reprint The post-lunch dip in performance
    Timothy H Monk
    Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, 3811 O Hara Street, Pittsburgh, PA 15213, USA
    Clin Sports Med 24:e15-23, xi-xii. 2005
  5. ncbi request reprint The daily life of complicated grief patients--what gets missed,what gets added?
    Timothy H Monk
    Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Room E 1123, 3811 O Hara Street, Pittsburgh, Pennsylvania, 15213, USA
    Death Stud 30:77-85. 2006
  6. pmc Effects of a two-hour change in bedtime on the sleep of healthy seniors
    Timothy H Monk
    Neuroscience Clinical and Translational Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
    Chronobiol Int 26:526-43. 2009
  7. ncbi request reprint Using daily 30-min phase advances to achieve a 6-hour advance: circadian rhythm, sleep, and alertness
    Timothy H Monk
    Clinical Neuroscience Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
    Aviat Space Environ Med 77:677-86. 2006
  8. ncbi request reprint Age-related differences in the lifestyle regularity of seniors experiencing bereavement, care-giving, insomnia, and advancement into old-old age
    Timothy H Monk
    Clinical Neuroscience Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania 15213, USA
    Chronobiol Int 23:831-41. 2006
  9. ncbi request reprint Sleep in healthy seniors: a diary study of the relation between bedtime and the amount of sleep obtained
    Timothy H Monk
    Clinical Neuroscience Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, PA 15213, USA
    J Sleep Res 15:256-60. 2006
  10. pmc Behavioral circadian regularity at age 1 month predicts anxiety levels during school-age years
    Timothy H Monk
    Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
    Psychiatry Res 178:370-3. 2010

Research Grants

  1. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2007
  2. SIESTA NAPS IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2000
  3. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2003
  4. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2002
  5. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2009
  6. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2004
  7. SIESTA NAPS IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2001
  8. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2001
  9. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 1999
  10. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2005

Collaborators

Detail Information

Publications47

  1. pmc Circadian type and bed-timing regularity in 654 retired seniors: correlations with subjective sleep measures
    Timothy H Monk
    Neuroscience Clinical and Translational Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, 3811 O Hara Street, Pittsburgh, PA 15213, USA
    Sleep 34:235-9. 2011
    ..Using telephone interview data from retired seniors to explore how inter-individual differences in circadian type (morningness) and bed-timing regularity might be related to subjective sleep quality and quantity...
  2. pmc Depression in the spousally bereaved elderly: correlations with subjective sleep measures
    Timothy H Monk
    Department of Psychiatry, University of Pittsburgh, 3811 O Hara Street, Pittsburgh, PA 15213, USA
    Depress Res Treat 2013:409538. 2013
    ..Therapies which address both sleep and depression are likely to be of benefit to bereaved seniors...
  3. pmc Shiftworkers report worse sleep than day workers, even in retirement
    Timothy H Monk
    Sleep and Chronobiology Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
    J Sleep Res 22:201-8. 2013
    ..The shiftwork exposure effect did not appear to be mediated by either morningness or current health. Prior exposure to shiftwork would appear to be related to currently reported sleep problems during retirement...
  4. ncbi request reprint The post-lunch dip in performance
    Timothy H Monk
    Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, 3811 O Hara Street, Pittsburgh, PA 15213, USA
    Clin Sports Med 24:e15-23, xi-xii. 2005
    ..It is certainly exacerbated by a high-carbohydrate lunch, and may be more likely to occur in extreme morning-type individuals...
  5. ncbi request reprint The daily life of complicated grief patients--what gets missed,what gets added?
    Timothy H Monk
    Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Room E 1123, 3811 O Hara Street, Pittsburgh, Pennsylvania, 15213, USA
    Death Stud 30:77-85. 2006
    ..Patients were significantly more likely than controls to miss contact with another person, breakfast, lunch, dinner, starting work, and going outside, and to add a nap and evening snack...
  6. pmc Effects of a two-hour change in bedtime on the sleep of healthy seniors
    Timothy H Monk
    Neuroscience Clinical and Translational Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
    Chronobiol Int 26:526-43. 2009
    ..There were no effects related to the phase angle between Tmin and rise-time. The relative benefits of longer vs. more efficient sleep in the elderly require further investigation...
  7. ncbi request reprint Using daily 30-min phase advances to achieve a 6-hour advance: circadian rhythm, sleep, and alertness
    Timothy H Monk
    Clinical Neuroscience Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
    Aviat Space Environ Med 77:677-86. 2006
    ..A ground-based study was undertaken to determine whether circadian and sleep dysfunction could be avoided by "trickling in" a 6-h phase advance in sleep/wake schedule by 12 consecutive 30-min phase advances as per NASA's Appendix K...
  8. ncbi request reprint Age-related differences in the lifestyle regularity of seniors experiencing bereavement, care-giving, insomnia, and advancement into old-old age
    Timothy H Monk
    Clinical Neuroscience Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania 15213, USA
    Chronobiol Int 23:831-41. 2006
    ..This may represent an adaptive behavioral response that might be used in future therapeutic approaches...
  9. ncbi request reprint Sleep in healthy seniors: a diary study of the relation between bedtime and the amount of sleep obtained
    Timothy H Monk
    Clinical Neuroscience Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, PA 15213, USA
    J Sleep Res 15:256-60. 2006
    ..g. age-dependent alterations in phase angle and homeostatic sleep need)...
  10. pmc Behavioral circadian regularity at age 1 month predicts anxiety levels during school-age years
    Timothy H Monk
    Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
    Psychiatry Res 178:370-3. 2010
    ..Baby SRM score at age 1 month significantly predicted the child's school (K-9, 5 time points) anxiety level (more regular=less anxious), and may be mediated through sociability and directed-attention pathways...
  11. pmc Practical consequences of fatigue-related performance failures
    Timothy H Monk
    Human Chronobiology Research Program, Department ofPsychiatry, University ofPittsburgh School of Medicine, Pittsburgh, PA, USA
    Sleep 30:1402-3. 2007
  12. pmc Sleep and circadian rhythms in spousally bereaved seniors
    Timothy H Monk
    Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
    Chronobiol Int 25:83-98. 2008
    ..However, this disruption does not appear to be due to bereavement-related disruptions in the circadian system...
  13. ncbi request reprint Aging human circadian rhythms: conventional wisdom may not always be right
    Timothy H Monk
    Clinical Neuroscience Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
    J Biol Rhythms 20:366-74. 2005
    ....
  14. ncbi request reprint Using nine 2-h delays to achieve a 6-h advance disrupts sleep, alertness, and circadian rhythm
    Timothy H Monk
    Clinical Neuroscience Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
    Aviat Space Environ Med 75:1049-57. 2004
    ....
  15. ncbi request reprint Morningness-eveningness and lifestyle regularity
    Timothy H Monk
    Clinical Neuroscience Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania 15213, USA
    Chronobiol Int 21:435-43. 2004
    ..Thus it appears that morning types appear to be more regular in their daily lifestyle than are evening types, suggesting a relationship between these two aspects of human circadian behavior...
  16. pmc Sleep variability, health-related practices, and inflammatory markers in a community dwelling sample of older adults
    Michele L Okun
    Sleep Medicine Institute and Department of Psychiatry, University of Pittsburgh School of Medicine, Western Psychiatric Institute and Clinic, Pittsburgh, PA 15213, USA
    Psychosom Med 73:142-50. 2011
    ..Health behaviors, including average aggregate measures of sleep, have been linked to increased inflammation in older adults. Variability in sleep timing may also be associated with increased inflammation...
  17. pmc Efficacy of brief behavioral treatment for chronic insomnia in older adults
    Daniel J Buysse
    Sleep Medicine Institute, Department of Psychiatry, University of Pittsburgh School of Medicine, USA
    Arch Intern Med 171:887-95. 2011
    ..Cognitive behavioral treatments are efficacious but not widely available. The aim of this study was to test the efficacy of brief behavioral treatment for insomnia (BBTI) vs an information control (IC) condition...
  18. pmc A quantitative approach to distinguishing older adults with insomnia from good sleeper controls
    Jessica C Levenson
    Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA
    J Clin Sleep Med 9:125-31. 2013
    ..The purpose of this study was to identify the optimal quantitative thresholds for actigraphy and sleep diary that differentiate older adults (> 60 years) with insomnia from good sleeper controls...
  19. pmc Financial strain is a significant correlate of sleep continuity disturbances in late-life
    Martica Hall
    Department of Psychiatry, University of Pittsburgh School of Medicine, 3811 O Hara Street, Pittsburgh, PA 15213, United States
    Biol Psychol 77:217-22. 2008
    ..01). Our results show that chronic stress, as measured by ongoing financial strain, is a significant correlate of sleep disturbances in the elderly, even after adjusting for factors known to impact sleep in late-life...
  20. pmc What constitutes too long of a delay? Determining the cortisol awakening response (CAR) using self-report and PSG-assessed wake time
    Michele L Okun
    University of Pittsburgh School of Medicine, Department of Psychiatry, United States
    Psychoneuroendocrinology 35:460-8. 2010
    ..Later collection times and reduced CAR values may affect the interpretation of clinical associations. Our data also show that S-R assessments of wake time perform equally well to PSG for evaluating adherence with CAR sampling procedures...
  21. ncbi request reprint Healthy older adults' sleep predicts all-cause mortality at 4 to 19 years of follow-up
    Mary Amanda Dew
    Department of Psychiatry, University of Pittsburgh School of Medicine and Western Psychiatric Institute and Clinic, Pittsburgh, Pennsylvania 15213, USA
    Psychosom Med 65:63-73. 2003
    ..We examined whether electroencephalographic (EEG) sleep parameters predicted survival time independently of known predictors of all-cause mortality...
  22. ncbi request reprint Effects of a brief behavioral treatment for late-life insomnia: preliminary findings
    Anne Germain
    Department Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
    J Clin Sleep Med 2:403-6. 2006
    ..This preliminary report addresses the effects of a brief behavioral treatment for insomnia in older adults who present with the typical psychiatric and medical comorbidities of aging...
  23. pmc Does social support differentially affect sleep in older adults with versus without insomnia?
    Wendy M Troxel
    Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA 15213, USA
    J Psychosom Res 69:459-66. 2010
    ..We examined social support as a potential protective factor for sleep among older adults (60 years and older) with insomnia (n=79) and age- and sex-matched controls without insomnia (n=40)...
  24. ncbi request reprint The relationship between lifestyle regularity and subjective sleep quality
    Timothy H Monk
    Clinical Neuroscience Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania 15213, USA
    Chronobiol Int 20:97-107. 2003
    ..Thus, there appears to be an association between lifestyle regularity and good sleep, though the direction of causality remains to be tested...
  25. ncbi request reprint Treating complicated grief: effects on sleep quality
    Anne Germain
    Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
    Behav Sleep Med 4:152-63. 2006
    ..Given that sleep disturbance is a risk factor for poor health outcomes, adjunctive sleep interventions may be necessary to enhance CGT outcomes...
  26. pmc Dream content in complicated grief: a window into loss-related cognitive schemas
    Anne Germain
    Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15210, USA
    Death Stud 37:269-84. 2013
    ..Increased representations of familiar characters in CG dreams may reflect attempts to reorganize relational cognitive schemas to compensate for the loss...
  27. ncbi request reprint Masking effects of posture and sleep onset on core body temperature have distinct circadian rhythms: results from a 90-min/day protocol
    Douglas E Moul
    Department of Psychiatry, University of Pittsburgh School of Medicine, Western Psychiatric Institute and Clinic, PA 15213, USA
    J Biol Rhythms 17:447-62. 2002
    ..These findings confirm the need for nonlinear models of temperature responses to postural changes and sleep that incorporate circadian variability in these masking effects...
  28. ncbi request reprint Measuring sleep habits without using a diary: the sleep timing questionnaire
    Timothy H Monk
    Clinical Neuroscience Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, PA 15213, USA
    Sleep 26:208-12. 2003
    ..To develop a single-administration instrument yielding equivalent measures of sleep to those obtained from a formal (2-week) sleep diary...
  29. pmc Night-to-night sleep variability in older adults with and without chronic insomnia
    Daniel J Buysse
    Sleep Medicine Institute and Neuroscience Clinical and Translational Research Center, Department of Psychiatry, School of Medicine, University of Pittsburgh, PA 15213, USA
    Sleep Med 11:56-64. 2010
    ....
  30. ncbi request reprint Circadian phase variation in bipolar I disorder
    Hader A Mansour
    Department of Psychiatry and Human Genetics, University of Pittsburgh School of Medicine, Western Psychiatric Institute and Clinic, PA 15213, USA
    Chronobiol Int 22:571-84. 2005
    ..Thus, distinct patterns of M/E were noted among BD1 patients and among BD1 subgroups. The impact of medication, mood state, and chronicity on CS scores needs to be considered...
  31. pmc Self-reported sleep quality predicts poor cognitive performance in healthy older adults
    Robert D Nebes
    Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, PA 15213, USA
    J Gerontol B Psychol Sci Soc Sci 64:180-7. 2009
    ..Sleep problems may contribute to performance variability between elderly individuals but only in certain cognitive domains...
  32. ncbi request reprint A simple way to measure daily lifestyle regularity
    Timothy H Monk
    Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Centre, Pittsburgh, PA 15213, USA
    J Sleep Res 11:183-90. 2002
    ..When a gender difference in lifestyle regularity appeared, it was detected by both SRM-5 and SRM-17 measures...
  33. pmc Replicable differences in preferred circadian phase between bipolar disorder patients and control individuals
    Joel Wood
    Departments of Psychiatry and Human Genetics, University of Pittsburgh School of Medicine and Graduate School of Public Health, Western Psychiatric Institute and Clinic, Pittsburgh, PA, United States
    Psychiatry Res 166:201-9. 2009
    ..Individuals with elevated depressive mood scores are more likely to be evening types. Our results suggest a replicable relationship between circadian phase and morbid mood states...
  34. ncbi request reprint Heritability of morningness-eveningness and self-report sleep measures in a family-based sample of 521 hutterites
    Lambertus Klei
    Department of Statistics, Carnegie Mellon University, Pittsburgh, PA 15213, USA
    Chronobiol Int 22:1041-54. 2005
    ..In view of the impact of circadian malfunction on human health, it may be worthwhile to map genetic factors impacting circadian and sleep variation...
  35. ncbi request reprint Circadian patterns of sleep, sleepiness, and performance in older and younger adults
    Daniel J Buysse
    Sleep and Chronobiology Program, University of Pittsburgh, PA, USA
    Sleep 28:1365-76. 2005
    ..To compare circadian patterns of sleep, subjective sleepiness, and psychomotor performance in older and younger adults...
  36. pmc Behavioral treatment of insomnia: also effective for nocturia
    Shachi Tyagi
    Division of Geriatrics and Gerontology, Department of Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
    J Am Geriatr Soc 62:54-60. 2014
    ..To evaluate changes in self-reported nocturia in community-dwelling adults aged 60 and older who received behavioral treatment for chronic insomnia...
  37. ncbi request reprint Personality correlates with sleep-wake variables
    Adriane M Soehner
    Department of Psychology, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
    Chronobiol Int 24:889-903. 2007
    ..Personality appears to affect certain aspects of the timing and subjective quality of sleep, but not necessarily its duration...
  38. ncbi request reprint Human regional cerebral glucose metabolism during non-rapid eye movement sleep in relation to waking
    Eric A Nofzinger
    Department of Psychiatry, University of Pittsburgh School of Medicine, PA 15213 2593, USA
    Brain 125:1105-15. 2002
    ....
  39. pmc Approaches to unravel the genetics of sleep
    Mikhil N Bamne
    Department of Psychiatry, 441 Western Psychiatric Institute and Clinic, 3811 O Hara St, University of Pittsburgh, School of Medicine, Pittsburgh, PA 15213, USA
    Sleep Med Rev 14:397-404. 2010
    ..This paper discusses these issues, reviews published studies of sleep phenotypes, and recommends cost-effective methods to advance knowledge of the genetic determinants of normal sleep patterns...
  40. ncbi request reprint The role of chronobiology in sleep disorders medicine
    Timothy H Monk
    Clinical Neuroscience Research Center, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, 3811 O Hara Street, Pittsburgh, PA 15213, USA
    Sleep Med Rev 7:455-73. 2003
    ....
  41. pmc Can a function-based therapy for spousally bereaved seniors accrue benefits in both functional and emotional domains?
    Marissa K Pfoff
    a University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
    Death Stud 38:381-6. 2014
    ..Assessments were made before, during, and after a 6-month, 10-session individual therapy. The functional therapy assisted in both functional and emotional domains and the hypothesis was confirmed. ..
  42. pmc Exposure to shift work as a risk factor for diabetes
    Timothy H Monk
    Sleep and Chronobiology Center, University of Pittsburgh School of Medicine, Pittsburgh, PA
    J Biol Rhythms 28:356-9. 2013
    ..4; χ(2) = 10.78, p < 0.05). There was a significant shift work exposure effect on BMI (χ(2) = 80.70, p < 0.001) but no significant gender effect (χ(2) = 0.37, p > 0.50). ..
  43. pmc Behavioral treatment of chronic insomnia in older adults: does nocturia matter?
    Shachi Tyagi
    Division of Geriatrics and Gerontology, Department of Medicine, School of Medicine University of Pittsburgh, Pittsburgh, PA
    Sleep 37:681-7. 2014
    ..To evaluate the impact of nocturia on the therapeutic response of chronic insomnia to behavioral treatment in older adults...
  44. pmc Chronotype, bed timing and total sleep time in seniors
    Timothy H Monk
    Department of Psychiatry, Sleep and Chronobiology Center, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
    Chronobiol Int 31:655-9. 2014
    ....
  45. ncbi request reprint Circadian genes and bipolar disorder
    Hader A Mansour
    Department of Psychiatry, University of Pittsburgh School of Medicine, Western Psychiatric Institute and Clinic, PA 15213, USA
    Ann Med 37:196-205. 2005
    ..Association studies that analyzed circadian genes in BD have been initiated and are reviewed. Other avenues for research are also discussed...
  46. ncbi request reprint Hormonal changes during 17 days of head-down bed-rest
    Marc Antoine Custaud
    Laboratoire de Physiologie de l Environnement GIP exercice, Faculte de Medecine Lyon Grange Blanche, 8 avenue Rockefeller, F 69373 Lyon Cedex 08, France
    Life Sci 72:1001-14. 2003
    ..A decrease during the night was noted for normetadrenaline urinary derivates, but only during the HDBR...
  47. ncbi request reprint Which aspects of morningness-eveningness change with age?
    Timothy H Monk
    J Biol Rhythms 22:278-80. 2007

Research Grants17

  1. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2007
    ..It is thus an important societal question as to whether such people will have sleep disorders and/or circadian dysfunction over and above those due simply to aging per se. ..
  2. SIESTA NAPS IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2000
    ....
  3. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2003
    ..abstract_text> ..
  4. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2002
    ..abstract_text> ..
  5. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2009
    ..It is thus an important societal question as to whether such people will have sleep disorders and/or circadian dysfunction over and above those due simply to aging per se. ..
  6. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2004
    ..abstract_text> ..
  7. SIESTA NAPS IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2001
    ....
  8. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2001
    ..abstract_text> ..
  9. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 1999
    ....
  10. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 2005
    ..abstract_text> ..
  11. SIESTA NAPS IN OLDER PEOPLE
    Timothy Monk; Fiscal Year: 1999
    ....
  12. PHASE SHIFT TOLERANCE IN OLDER PEOPLE
    Timothy H Monk; Fiscal Year: 2010
    ..It is thus an important societal question as to whether such people will have sleep disorders and/or circadian dysfunction over and above those due simply to aging per se. ..