Jim Waterhouse

Summary

Publications

  1. ncbi The relationship between assessments of jet lag and some of its symptoms
    James Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 20:1061-73. 2003
  2. doi Circadian rhythms and cognition
    Jim Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Prog Brain Res 185:131-53. 2010
  3. pmc Daily rhythms of the sleep-wake cycle
    Jim Waterhouse
    Research Institute for Sport and Exercise Physiology, Liverpool John Moores University, Liverpool, UK
    J Physiol Anthropol 31:5. 2012
  4. ncbi Some factors influencing the sensitivity of body temperature to activity in neonates
    J Waterhouse
    Research Institute for Sports and Exercise Sciences, Liverpool John Moores University, UK
    Chronobiol Int 17:679-92. 2000
  5. ncbi The circadian rhythm of core temperature: origin and some implications for exercise performance
    Jim Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 22:207-25. 2005
  6. ncbi Transient changes in the pattern of food intake following a simulated time-zone transition to the east across eight time zones
    Jim Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 22:299-319. 2005
  7. ncbi Rectal temperature, distal sweat rate, and forearm blood flow following mild exercise at two phases of the circadian cycle
    Jim Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 24:63-85. 2007
  8. ncbi Measuring phase shifts in humans following a simulated time-zone transition: agreement between constant routine and purification methods
    Jim Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 22:829-58. 2005
  9. doi Effects of Ramadan upon fluid and food intake, fatigue, and physical, mental, and social activities: a comparison between the UK and Libya
    Jim Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 25:697-724. 2008
  10. ncbi The role of a short post-lunch nap in improving cognitive, motor, and sprint performance in participants with partial sleep deprivation
    J Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    J Sports Sci 25:1557-66. 2007

Detail Information

Publications41

  1. ncbi The relationship between assessments of jet lag and some of its symptoms
    James Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 20:1061-73. 2003
    ..These findings question exactly what causes jet lag at a particular time of day, and so are relevant to studies which use this measurement to investigate the problems associated with time-zone transitions, and ways to ameliorate them...
  2. doi Circadian rhythms and cognition
    Jim Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Prog Brain Res 185:131-53. 2010
    ..The relevant literature on these circumstances is then reviewed. The last section of the chapter deals with sleep-wake schedules where both regular and irregular sleeps are taken (anchor sleep)...
  3. pmc Daily rhythms of the sleep-wake cycle
    Jim Waterhouse
    Research Institute for Sport and Exercise Physiology, Liverpool John Moores University, Liverpool, UK
    J Physiol Anthropol 31:5. 2012
    ..In all circumstances, the evidence that sleep times and architecture are altered and the possible causes of these changes (including altered S, S' and C processes) are examined...
  4. ncbi Some factors influencing the sensitivity of body temperature to activity in neonates
    J Waterhouse
    Research Institute for Sports and Exercise Sciences, Liverpool John Moores University, UK
    Chronobiol Int 17:679-92. 2000
    ..One possible explanation of this result is that temperature regulation and the circadian system are not fully developed in humans at this age...
  5. ncbi The circadian rhythm of core temperature: origin and some implications for exercise performance
    Jim Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 22:207-25. 2005
    ..Understanding the circadian rhythm of core temperature may reduce potential hazards due to the time of day when exercise is performed...
  6. ncbi Transient changes in the pattern of food intake following a simulated time-zone transition to the east across eight time zones
    Jim Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 22:299-319. 2005
    ..However, these changes are generally transient and are only weakly linked to the sensation of jet lag...
  7. ncbi Rectal temperature, distal sweat rate, and forearm blood flow following mild exercise at two phases of the circadian cycle
    Jim Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 24:63-85. 2007
    ..The results support our "heat-gain/heat-loss modes" hypothesis...
  8. ncbi Measuring phase shifts in humans following a simulated time-zone transition: agreement between constant routine and purification methods
    Jim Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 22:829-58. 2005
    ....
  9. doi Effects of Ramadan upon fluid and food intake, fatigue, and physical, mental, and social activities: a comparison between the UK and Libya
    Jim Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 25:697-724. 2008
    ..Subjects' preparations for fasting and recovering from it--their fluid and food intakes and associated reasons for these--also differed. Possible explanations of these differences are discussed...
  10. ncbi The role of a short post-lunch nap in improving cognitive, motor, and sprint performance in participants with partial sleep deprivation
    J Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    J Sports Sci 25:1557-66. 2007
    ..These results indicate that a post-lunch nap improves alertness and aspects of mental and physical performance following partial sleep loss, and have implications for athletes with restricted sleep during training or before competition...
  11. ncbi Factors associated with food intake in passengers on long-haul flights
    Jim Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, 15 21 Webster Street, Liverpool, UK
    Chronobiol Int 23:985-1007. 2006
    ..They also have implications for airlines wishing to provide food that is acceptable to passengers and for those providing meals for night workers...
  12. doi Effects of music tempo upon submaximal cycling performance
    J Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Henry Cotton Campus, Liverpool, UK
    Scand J Med Sci Sports 20:662-9. 2010
    ..Implications of these findings for improving training regimens are discussed...
  13. ncbi Further assessments of the relationship between jet lag and some of its symptoms
    James Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 22:121-36. 2005
    ..Inferences about any decrements due to time-zone transitions cannot be made reliably at times of the day that differ from the time when jet lag is assessed...
  14. ncbi The stress of travel
    J Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool L3 2ET, UK
    J Sports Sci 22:946-65; discussion 965-6. 2004
    ..Sleep loss is also found in those who undertake challenges that involve long periods where the normal consolidated sleep of 8 h length is not possible. Advice on sleep regimens in such circumstances is given...
  15. ncbi Do subjective symptoms predict our perception of jet-lag?
    J Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, UK
    Ergonomics 43:1514-27. 2000
    ..Such results complicate an exact interpretation that can be placed on an assessment of a global term such as jet-lag, particularly if the assessment is made only once per day...
  16. pmc Identifying some determinants of "jet lag" and its symptoms: a study of athletes and other travellers
    J Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Br J Sports Med 36:54-60. 2002
    ..Travelling across multiple time zones disrupts normal circadian rhythms and induces "jet lag". Possible effects of this on training and performance in athletes were concerns before the Sydney Olympic Games...
  17. doi Effects of Ramadan on physical performance: chronobiological considerations
    Jim Waterhouse
    Br J Sports Med 44:509-15. 2010
    ..It is clear that the detailed nature of the problems involved and dealing with them in a manner based upon a firm body of knowledge requires far more experimental investigation...
  18. ncbi Measurement of, and some reasons for, differences in eating habits between night and day workers
    J Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 20:1075-92. 2003
    ..05), such effects being present to some extent during their rest days also. These findings have clear implications for measures designed to ease eating problems that are commonly problematic in night workers...
  19. ncbi Thermoregulation during mild exercise at different circadian times
    James Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 21:253-75. 2004
    ....
  20. ncbi Lack of evidence for a marked endogenous component determining food intake in humans during forced desynchrony
    Jim Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, UK
    Chronobiol Int 21:445-68. 2004
    ....
  21. ncbi Jet lag: trends and coping strategies
    Jim Waterhouse
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Henry Cotton Campus, Liverpool L3 2ET, UK
    Lancet 369:1117-29. 2007
    ..The results form the rationale for advice to travellers flying in different directions and crossing several time zones. Finally, there is an account of the main problems that remain unresolved...
  22. ncbi Diurnal variation in temperature, mental and physical performance, and tasks specifically related to football (soccer)
    Thomas Reilly
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 24:507-19. 2007
    ..While causal links cannot be established in these experiments, the results indicate that the diurnal variation of some aspects of football performance is affected by factor(s) other than body temperature alone...
  23. doi Some chronobiological and physiological problems associated with long-distance journeys
    Thomas Reilly
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Henry Cotton Campus, 15 21 Webster Street, Liverpool L3 2ET, UK
    Travel Med Infect Dis 7:88-101. 2009
    ..The traveller needs to be aware of these changes before setting off, so that appropriate preparations (clothing, for example) can be made...
  24. ncbi Effects of melatonin on the thermoregulatory responses to intermittent exercise
    Greg Atkinson
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    J Pineal Res 39:353-9. 2005
    ..Whether such effects improve endurance athletic performance in hot conditions remains to be confirmed. Our data also suggest that postexercise systolic hypotension is more marked after ingestion of melatonin...
  25. ncbi The use of actimetry to assess changes to the rest-activity cycle
    Sandra Carvalho Bos
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 20:1039-59. 2003
    ..We conclude that objective estimates of the disruption caused to the rest-activity cycle and the circadian system can be obtained by suitable analysis of the activity record...
  26. ncbi Jet lag and air travel: implications for performance
    Thomas Reilly
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Henry Cotton Campus, 15 21 Webster Street, Liverpool L3 2ET, England
    Clin Sports Med 24:367-80, xii. 2005
    ..Measures to ameliorate adverse effects of jet lag include behavioral or pharmacologic strategies. Coaches and mentors and the athletes they support should be considered when preparing for long-haul flights across multiple meridians...
  27. ncbi The influence of time awake and circadian rhythm upon performance on a frontal lobe task
    Yvonne Harrison
    School of Psychology, Liverpool John Moores University, Henry Cotton Campus, Liverpool L3 2ET, United Kingdom
    Neuropsychologia 45:1966-72. 2007
    ..We suggest that the relationship between homeostatic sleep processes and circadian processes is complex and that their effects on cognitive processes are not easily separated by routine sleep-deprivation or time-of-day studies...
  28. doi Effects of one night of partial sleep deprivation upon diurnal rhythms of accuracy and consistency in throwing darts
    Benjamin J Edwards
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, UK
    Chronobiol Int 26:756-68. 2009
    ..We conclude that the simple task of throwing darts at a target provides information about chronobiological changes in circumstances where time awake and sleep loss might affect psychomotor performance...
  29. ncbi The effects of circadian rhythmicity and time-awake on a simple motor task
    Ben Edwards
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 24:1109-24. 2007
    ..The accuracy of performance at this task seems to show circadian and time-awake effects, and so makes it of potential value in protocols where repetitive measurements during the course of a day are required...
  30. ncbi Food intake in healthy young adults: effects of time pressure and social factors
    Jim Waterhouse
    Research Institute for Sport and Exercise Science, Liverpool John Moores University, Liverpool, UK
    Chronobiol Int 22:1069-92. 2005
    ..quot; These findings might be relevant to some problems faced by the workforce, in general, and by night workers, in particular...
  31. ncbi Exercise as a synchroniser of human circadian rhythms: an update and discussion of the methodological problems
    Greg Atkinson
    Research Institute for Sport and Exercise Sciences, Henry Cotton Campus, Liverpool John Moores University, Liverpool, UK
    Eur J Appl Physiol 99:331-41. 2007
    ..An alternative explanation may involve exercise-induced hyperthermia. Moreover, it is perplexing why exercise should have a different phase response curve to light, given that humans are diurnally active...
  32. ncbi Altered sleep-wake cycles and food intake: the Ramadan model
    Thomas Reilly
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Henry Cotton Campus, 15 21 Webster Street, Liverpool, L3 2ET, United Kingdom
    Physiol Behav 90:219-28. 2007
    ..The Ramadan model provides an alternative to those for ageing, nocturnal shift-work and time-zone transitions in understanding the links between behaviour and endogenous circadian rhythms...
  33. doi Sports performance: is there evidence that the body clock plays a role?
    Thomas Reilly
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, 15 21 Webster Street, Liverpool, L3 2ET, UK
    Eur J Appl Physiol 106:321-32. 2009
    ..The review concludes with suggestions regarding the future value to sports physiology of chronobiological studies...
  34. ncbi Chronobiological considerations for exercise and heart disease
    Greg Atkinson
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Henry Cotton Campus, UK
    Sports Med 36:487-500. 2006
    ..Nevertheless, it is unclear whether time of day alters the risk of a cardiac event occurring during spontaneous physical activity performed by individuals with established risk factors for heart disease...
  35. doi Circadian rhythms and their association with body temperature and time awake when performing a simple task with the dominant and non-dominant hand
    Ben Edwards
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Henry Cotton Campus, Liverpool, UK
    Chronobiol Int 25:115-32. 2008
    ..There was little evidence to support the view that the 24-h rhythmicity was less marked in the non-dominant hand, which argues against internal desynchronization, at least for the task used in this study...
  36. ncbi Reactivity of ambulatory blood pressure to physical activity varies with time of day
    Helen Jones
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool L3 2ET, United Kingdom
    Hypertension 47:778-84. 2006
    ..485), medication use, age, and sex (P>0.350). In conclusion, under conditions of normal living, the reactivity of BP and HR to a given unit change in activity is highest in the morning and shows a secondary rise in the afternoon...
  37. ncbi Nutrition for travel
    Thomas Reilly
    Research Institute for Sport and Exercise Science, Liverpool John Moores University, Henry Cotton Campus, 15 21 Webster Street, Liverpool L32 2ET, UK
    J Sports Sci 25:S125-34. 2007
    ..Equally, athletes often need special education initiatives to assist them to cope with the challenges of a new and unusual food supply, or altered access to food...
  38. ncbi Contribution of the rest-activity circadian rhythm to quality of life in cancer patients
    Marie Christine Mormont
    INSERM EPI 0118 Cancer Chronotherapeutics, Université Paris XI and Chronotherapy Group, European Organisation for Research and Treatment of Cancer, Hĵpital Paul Brousse, Villejuif, France
    Chronobiol Int 19:313-23. 2002
    ..The rest-activity circadian rhythm appeared to be an objective indicator of physical welfare and QoL. This analysis suggests that circadian function may be one of the biological determinants of QoL in cancer patients...
  39. ncbi Effect of time of day on the accuracy and consistency of the badminton serve
    Ben J Edwards
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Truman Building, Henry Cotton Campus, 15 21 Webster St, Liverpool L2 3ET, UK
    Ergonomics 48:1488-98. 2005
    ....
  40. ncbi Diurnal variation in cycling performance: influence of warm-up
    Greg Atkinson
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    J Sports Sci 23:321-9. 2005
    ..Diurnal variation in cycling performance is, therefore, relatively robust to some external and behavioural factors...
  41. ncbi Effects of time of day and distance upon accuracy and consistency of throwing darts
    Benjamin Edwards
    Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
    J Sports Sci 25:1531-8. 2007
    ..Throwing darts can be used as a model for investigating factors that influence motor performance, and our results indicate that the effects of time of day upon performance depend upon the relative importance of force and accuracy...