JEANNE DUFFY

Summary

Affiliation: Harvard University
Country: USA

Publications

  1. ncbi Association of intrinsic circadian period with morningness-eveningness, usual wake time, and circadian phase
    J F Duffy
    Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts, 02115, USA
    Behav Neurosci 115:895-9. 2001
  2. ncbi Periodic limb movements in sleep exhibit a circadian rhythm that is maximal in the late evening/early night
    Jeanne F Duffy
    Division of Sleep Medicine, Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
    Sleep Med 12:83-8. 2011
  3. ncbi Healthy older adults better tolerate sleep deprivation than young adults
    Jeanne F Duffy
    Brigham and Women s Hospital General Clinical Research Center, Boston, Massachusetts, USA
    J Am Geriatr Soc 57:1245-51. 2009
  4. ncbi Decreased sensitivity to phase-delaying effects of moderate intensity light in older subjects
    Jeanne F Duffy
    Division of Sleep Medicine, Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
    Neurobiol Aging 28:799-807. 2007
  5. ncbi Entrainment of the human circadian system by light
    Jeanne F Duffy
    Division of Sleep Medicine, Brigham and Women s Hospital and Harvard Medical School, Boston, MA 02115, USA
    J Biol Rhythms 20:326-38. 2005
  6. ncbi Sex difference in the near-24-hour intrinsic period of the human circadian timing system
    Jeanne F Duffy
    Division of Sleep Medicine, Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
    Proc Natl Acad Sci U S A 108:15602-8. 2011
  7. ncbi Peak of circadian melatonin rhythm occurs later within the sleep of older subjects
    Jeanne F Duffy
    Division of Sleep Medicine, Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
    Am J Physiol Endocrinol Metab 282:E297-303. 2002
  8. ncbi Age-related change in the relationship between circadian period, circadian phase, and diurnal preference in humans
    Jeanne F Duffy
    Division of Sleep Medicine, Department of Medicine, Brigham and Women s Hospital and Harvard Medical School, Boston, MA 02115, USA
    Neurosci Lett 318:117-20. 2002
  9. ncbi Getting through to circadian oscillators: why use constant routines?
    Jeanne F Duffy
    Division of Sleep Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
    J Biol Rhythms 17:4-13. 2002
  10. ncbi Sleep inertia varies with circadian phase and sleep stage in older adults
    Edward J Silva
    Division of Sleep Medicine, Brigham and Women s Hospital, Boston, MA 02115, USA
    Behav Neurosci 122:928-35. 2008

Research Grants

  1. Disrupted Sleep in the Elderly: Circadian Etiology
    JEANNE DUFFY; Fiscal Year: 2009
  2. Circadian & Genetic Evaluation of Extreme Sleep Timing
    JEANNE DUFFY; Fiscal Year: 2009
  3. Circadian & Genetic Evaluation of Extreme Sleep Timing
    JEANNE DUFFY; Fiscal Year: 2009
  4. Effect of Vitamin B12 on the Human Circadian Pacemaker
    JEANNE DUFFY; Fiscal Year: 2007
  5. DISRUPTED SLEEP IN THE ELDERLY--CIRCADIAN ETIOLOGY
    JEANNE DUFFY; Fiscal Year: 2002
  6. Adaptation of circadian responses to light treatment
    Jeanne F Duffy; Fiscal Year: 2010

Detail Information

Publications21

  1. ncbi Association of intrinsic circadian period with morningness-eveningness, usual wake time, and circadian phase
    J F Duffy
    Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts, 02115, USA
    Behav Neurosci 115:895-9. 2001
    ..Circadian period was correlated with morningness-eveningness, circadian phase, and wake time, demonstrating that a fundamental property of the circadian pacemaker is correlated with the behavioral trait of morningness-eveningness...
  2. ncbi Periodic limb movements in sleep exhibit a circadian rhythm that is maximal in the late evening/early night
    Jeanne F Duffy
    Division of Sleep Medicine, Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
    Sleep Med 12:83-8. 2011
    ..Our study aimed to determine whether this pattern is due to an endogenous circadian rhythm, like that in the related movement disorder Restless Legs Syndrome (RLS)...
  3. ncbi Healthy older adults better tolerate sleep deprivation than young adults
    Jeanne F Duffy
    Brigham and Women s Hospital General Clinical Research Center, Boston, Massachusetts, USA
    J Am Geriatr Soc 57:1245-51. 2009
    ..To determine whether healthy aging is associated with increased sleepiness and whether healthy older adults experience more sleepiness when acutely sleep deprived...
  4. ncbi Decreased sensitivity to phase-delaying effects of moderate intensity light in older subjects
    Jeanne F Duffy
    Division of Sleep Medicine, Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
    Neurobiol Aging 28:799-807. 2007
    ..These findings suggest an age-related reduction in the phase-delaying response to moderate light levels. However, our findings alone do not explain the altered phase relationship between sleep and circadian rhythms associated with aging...
  5. ncbi Entrainment of the human circadian system by light
    Jeanne F Duffy
    Division of Sleep Medicine, Brigham and Women s Hospital and Harvard Medical School, Boston, MA 02115, USA
    J Biol Rhythms 20:326-38. 2005
    ..We provide an integrated perspective on circadian entrainment in humans with respect to recent advances in our knowledge of circadian period and of the effects of light on the biological clock in humans...
  6. ncbi Sex difference in the near-24-hour intrinsic period of the human circadian timing system
    Jeanne F Duffy
    Division of Sleep Medicine, Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
    Proc Natl Acad Sci U S A 108:15602-8. 2011
    ..0 h (35% vs. 14%; P < 0.01). The shorter average intrinsic circadian period observed in women may have implications for understanding sex differences in habitual sleep duration and insomnia prevalence...
  7. ncbi Peak of circadian melatonin rhythm occurs later within the sleep of older subjects
    Jeanne F Duffy
    Division of Sleep Medicine, Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
    Am J Physiol Endocrinol Metab 282:E297-303. 2002
    ..In healthy older subjects, the relative timing of the melatonin rhythm with respect to sleep may not play a causal role in sleep disruption...
  8. ncbi Age-related change in the relationship between circadian period, circadian phase, and diurnal preference in humans
    Jeanne F Duffy
    Division of Sleep Medicine, Department of Medicine, Brigham and Women s Hospital and Harvard Medical School, Boston, MA 02115, USA
    Neurosci Lett 318:117-20. 2002
    ....
  9. ncbi Getting through to circadian oscillators: why use constant routines?
    Jeanne F Duffy
    Division of Sleep Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
    J Biol Rhythms 17:4-13. 2002
    ....
  10. ncbi Sleep inertia varies with circadian phase and sleep stage in older adults
    Edward J Silva
    Division of Sleep Medicine, Brigham and Women s Hospital, Boston, MA 02115, USA
    Behav Neurosci 122:928-35. 2008
    ....
  11. ncbi Exercise distributed across day and night does not alter circadian period in humans
    Sean W Cain
    Division of Sleep Medicine, Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
    J Biol Rhythms 22:534-41. 2007
    ..Exercise distributed across biological day and night does not appear to affect circadian period...
  12. ncbi Acute sleep deprivation and circadian misalignment associated with transition onto the first night of work impairs visual selective attention
    Nayantara Santhi
    Division of Sleep Medicine, Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
    PLoS ONE 2:e1233. 2007
    ....
  13. ncbi Plasma melatonin rhythms in young and older humans during sleep, sleep deprivation, and wake
    Jamie M Zeitzer
    Department of Psychiatry, Stanford University, Palo Alto, CA 94304, USA
    Sleep 30:1437-43. 2007
    ..To determine the effects of sleep and sleep deprivation on plasma melatonin concentrations in humans and whether these effects are age-dependent...
  14. ncbi Increased sleep disruption, reduced sleepiness in older subjects?
    Jeanne F Duffy
    Sleep 28:1358-9. 2005
  15. ncbi Sleep- and circadian-dependent modulation of REM density
    Sat Bir S Khalsa
    Division of Sleep Medicine, Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
    J Sleep Res 11:53-9. 2002
    ....
  16. ncbi Scheduling of sleep/darkness affects the circadian phase of night shift workers
    Nayantara Santhi
    Division of Sleep Medicine, Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, 221 Longwood Avenue, BL 438M, Boston, MA 02115, USA
    Neurosci Lett 384:316-20. 2005
    ..These results have applications to night shift workers, particularly in occupations in which alterations in the timing of light exposure cannot be achieved during working hours...
  17. ncbi Temporal dynamics of late-night photic stimulation of the human circadian timing system
    Jamie M Zeitzer
    Brigham and Women's Hosp, Boston, MA
    Am J Physiol Regul Integr Comp Physiol 289:R839-44. 2005
    ....
  18. ncbi Intrinsic period and light intensity determine the phase relationship between melatonin and sleep in humans
    Kenneth P Wright
    Division of Sleep Medicine, Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts, USA
    J Biol Rhythms 20:168-77. 2005
    ..This finding has important implications for understanding physiological organization by the brain's master circadian clock and may have implications for understanding mechanisms underlying circadian sleep disorders...
  19. ncbi Older people awaken more frequently but fall back asleep at the same rate as younger people
    Elizabeth B Klerman
    Division of Sleep Medicine, Brigham and Women s Hospital and Harvard Medical School, Boston, MA 02115, USA
    Sleep 27:793-8. 2004
    ....
  20. ncbi Comparisons of the variability of three markers of the human circadian pacemaker
    Elizabeth B Klerman
    Division of Sleep Medicine, Brigham and Women s Hospital, Boston, MA 02115, USA
    J Biol Rhythms 17:181-93. 2002
    ....
  21. ncbi Polysomnographic respiratory abnormalities in asymptomatic individuals
    Milena K Pavlova
    Division of Sleep Medicine, Brigham and Women s Hospital, Boston, Massachusetts 02115, USA
    Sleep 31:241-8. 2008
    ..We aimed to (1) define the frequency of respiratory disturbances (RDI: events per hour of sleep) during sleep in healthy individuals using current techniques and criteria and (2) determine how these abnormalities change with age and sex...

Research Grants15

  1. Disrupted Sleep in the Elderly: Circadian Etiology
    JEANNE DUFFY; Fiscal Year: 2009
    ....
  2. Circadian & Genetic Evaluation of Extreme Sleep Timing
    JEANNE DUFFY; Fiscal Year: 2009
    ..These data should provide better understanding of the chronobiologic and genetic basis of extreme diurnal preference, leading to better treatments for circadian rhythm sleep disorders. ..
  3. Circadian & Genetic Evaluation of Extreme Sleep Timing
    JEANNE DUFFY; Fiscal Year: 2009
    ..These data should provide better understanding of the chronobiologic and genetic basis of extreme diurnal preference, leading to better treatments for circadian rhythm sleep disorders. ..
  4. Effect of Vitamin B12 on the Human Circadian Pacemaker
    JEANNE DUFFY; Fiscal Year: 2007
    ..abstract_text> ..
  5. DISRUPTED SLEEP IN THE ELDERLY--CIRCADIAN ETIOLOGY
    JEANNE DUFFY; Fiscal Year: 2002
    ....
  6. Adaptation of circadian responses to light treatment
    Jeanne F Duffy; Fiscal Year: 2010
    ..The understanding of the effects of prior photic history could help explain the ability of the circadian system to adapt to changes in natural outside light intensities across the seasons and at different latitudes. ..