James Horne

Summary

Affiliation: Loughborough University
Country: UK

Publications

  1. ncbi Suppression of sleepiness in drivers: combination of caffeine with a short nap
    L A Reyner
    Sleep Research Laboratory, Loughborough University, Leicestershire, UK
    Psychophysiology 34:721-5. 1997
  2. ncbi Falling asleep whilst driving: are drivers aware of prior sleepiness?
    L A Reyner
    Human Sciences Department, Loughborough University, Leicestershire, UK
    Int J Legal Med 111:120-3. 1998
  3. doi Exercise benefits for the aging brain depend on the accompanying cognitive load: insights from sleep electroencephalogram
    Jim Horne
    Sleep Research Centre, Loughborough University, Leicestershire, LE11 3TU, UK Electronic address
    Sleep Med 14:1208-13. 2013
  4. doi Why REM sleep? Clues beyond the laboratory in a more challenging world
    Jim Horne
    Sleep Research Centre, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK
    Biol Psychol 92:152-68. 2013
  5. doi Working throughout the night: beyond 'sleepiness'--impairments to critical decision making
    Jim Horne
    Sleep Research Centre, Loughborough University, Leicestershire LE11 3TU, UK
    Neurosci Biobehav Rev 36:2226-31. 2012
  6. doi Sleep extension versus nap or coffee, within the context of 'sleep debt'
    James Horne
    Sleep Research Centre, Loughborough University, Leicestershire, UK
    J Sleep Res 17:432-6. 2008
  7. doi We know when we are sleepy: subjective versus objective measurements of moderate sleepiness in healthy adults
    J A Horne
    Sleep Research Centre, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
    Biol Psychol 83:266-8. 2010
  8. pmc Vehicle accidents related to sleep: a review
    J Horne
    Sleep Research Laboratory, University of Loughborough, UK
    Occup Environ Med 56:289-94. 1999
  9. doi REM sleep, energy balance and 'optimal foraging'
    Jim Horne
    Sleep Research Centre, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK
    Neurosci Biobehav Rev 33:466-74. 2009
  10. doi Sleepiness as a need for sleep: when is enough, enough?
    Jim Horne
    Sleep Research Centre, Human Sciences, Loughborough University, Leicestershire, UK
    Neurosci Biobehav Rev 34:108-18. 2010

Collaborators

Detail Information

Publications49

  1. ncbi Suppression of sleepiness in drivers: combination of caffeine with a short nap
    L A Reyner
    Sleep Research Laboratory, Loughborough University, Leicestershire, UK
    Psychophysiology 34:721-5. 1997
    ..Naps comprising "nonsleep dozing" were still effective...
  2. ncbi Falling asleep whilst driving: are drivers aware of prior sleepiness?
    L A Reyner
    Human Sciences Department, Loughborough University, Leicestershire, UK
    Int J Legal Med 111:120-3. 1998
    ..There is a need to educate at least some drivers that extreme sleepiness is very likely to lead to falling asleep and a high accident risk...
  3. doi Exercise benefits for the aging brain depend on the accompanying cognitive load: insights from sleep electroencephalogram
    Jim Horne
    Sleep Research Centre, Loughborough University, Leicestershire, LE11 3TU, UK Electronic address
    Sleep Med 14:1208-13. 2013
    ....
  4. doi Why REM sleep? Clues beyond the laboratory in a more challenging world
    Jim Horne
    Sleep Research Centre, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK
    Biol Psychol 92:152-68. 2013
    ..Similarly masked may be REM's functions for today's humans living safe, routine lives, with easy food accessibility. In these respects animal and human REM studies are not sufficiently 'ecological'...
  5. doi Working throughout the night: beyond 'sleepiness'--impairments to critical decision making
    Jim Horne
    Sleep Research Centre, Loughborough University, Leicestershire LE11 3TU, UK
    Neurosci Biobehav Rev 36:2226-31. 2012
    ..Recent research findings are presented to support this case, and some evidence-based recommendations made about practical countermeasures...
  6. doi Sleep extension versus nap or coffee, within the context of 'sleep debt'
    James Horne
    Sleep Research Centre, Loughborough University, Leicestershire, UK
    J Sleep Res 17:432-6. 2008
    ..It may reflect a requirement for more sleep or simply be within the bounds of normal acceptability...
  7. doi We know when we are sleepy: subjective versus objective measurements of moderate sleepiness in healthy adults
    J A Horne
    Sleep Research Centre, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
    Biol Psychol 83:266-8. 2010
    ..KSS scores indicated that 5 min was an effective 'settling down' period. Participants were good at estimating their sleepiness if presented with a procedure equivalent to that of the objective measure...
  8. pmc Vehicle accidents related to sleep: a review
    J Horne
    Sleep Research Laboratory, University of Loughborough, UK
    Occup Environ Med 56:289-94. 1999
    ..Exercise is of little use...
  9. doi REM sleep, energy balance and 'optimal foraging'
    Jim Horne
    Sleep Research Centre, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK
    Neurosci Biobehav Rev 33:466-74. 2009
    ..A more ecological approach in understanding REM function is desirable...
  10. doi Sleepiness as a need for sleep: when is enough, enough?
    Jim Horne
    Sleep Research Centre, Human Sciences, Loughborough University, Leicestershire, UK
    Neurosci Biobehav Rev 34:108-18. 2010
    ....
  11. ncbi REM sleep - by default?
    J A Horne
    Sleep Research Centre, Human Sciences Department, Loughborough University, LE11 3TU, Leicestershire, UK
    Neurosci Biobehav Rev 24:777-97. 2000
    ..REM can be reduced and/or replaced by wakefulness, without adverse effects. REM has little advantage over wakefulness in providing positive cerebral recovery or memory consolidation...
  12. ncbi Awareness of sleepiness when driving
    James A Horne
    Sleep Research Centre, Loughborough University, Leicestershire, UK
    Psychophysiology 41:161-5. 2004
    ..Drivers had knowledge of their physiological sleepiness. There were indications that sugar content of these drinks may additionally affect sleepiness...
  13. ncbi Beneficial effects of an "energy drink" given to sleepy drivers
    J A Horne
    Loughborough University Sleep Research Centre, Leicestershire, United Kingdom
    Amino Acids 20:83-9. 2001
    ..Lane drifting and a secondary task (reaction time) were measured for two hours post-treatment. The energy drink significantly improved both indices, particularly for the first hour...
  14. doi The end of sleep: 'sleep debt' versus biological adaptation of human sleep to waking needs
    Jim Horne
    Sleep Research Centre, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK
    Biol Psychol 87:1-14. 2011
    ..Sleep is not the only anodyne to sleepiness, but so is wakefulness, inasmuch that some sleepiness disappears when wakefulness becomes more challenging and eventful. A more ecological approach to sleep and sleepiness is advocated...
  15. doi Obesity and short sleep: unlikely bedfellows?
    J Horne
    Sleep Research Centre, Loughborough University, Loughborough, Leicestershire, UK
    Obes Rev 12:e84-94. 2011
    ..The real danger of inadequate sleep lies with excessive daytime sleepiness, not obesity...
  16. doi Effectiveness of UK motorway services areas in reducing sleep-related and other collisions
    L A Reyner
    Sleep Research Centre, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK
    Accid Anal Prev 42:1416-8. 2010
    ..Whilst SRCs had their greatest daily incidence between 02:00 h and 06:00 h, as expected, MSAs seemed to have their least beneficial effect on SRCs during this vulnerable period, which is a matter for concern...
  17. doi Sudden early-morning awakening impairs immediate tactical planning in a changing 'emergency' scenario
    Jim Horne
    Sleep Research Centre, Loughborough University, Loughborough, Leicestershire, UK
    J Sleep Res 20:275-8. 2011
    ..Nevertheless, it was relevant to real-life situations involving highly motivated, trained individuals making critical innovative decisions in the early morning versus the normal waking day...
  18. doi Short sleep is a questionable risk factor for obesity and related disorders: statistical versus clinical significance
    Jim Horne
    Sleep Research Centre, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK
    Biol Psychol 77:266-76. 2008
    ..The real health risk of inadequate sleep comes from a sleepiness-related accident...
  19. ncbi Why sleep?
    Jim Horne
    Loughborough University, UK
    Biologist (London) 49:213-6. 2002
    ..There are fundamental differences between rodents and us. On the other hand, even human sleep has some similarities with that of the bee...
  20. pmc Driving impairment due to sleepiness is exacerbated by low alcohol intake
    J A Horne
    Sleep Research Centre, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK
    Occup Environ Med 60:689-92. 2003
    ....
  21. ncbi Alcohol continues to affect sleepiness related driving impairment, when breath alcohol levels have fallen to near-zero
    P R Barrett
    Sleep Research Centre, Loughborough University, Loughborough LE11 3TU, UK
    Hum Psychopharmacol 19:421-3. 2004
    ..BrACs are a poor guide to driver impairment...
  22. ncbi Sleep loss impairs short and novel language tasks having a prefrontal focus
    Y Harrison
    Sleep Research Laboratory, Loughborough University, UK
    J Sleep Res 7:95-100. 1998
    ..The outcome was similar. Linguistically, sleep loss appears to interfere with novel responses and the ability to suppress routine answers...
  23. ncbi Efficacy of a 'functional energy drink' in counteracting driver sleepiness
    L A Reyner
    Sleep Research Centre, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK
    Physiol Behav 75:331-5. 2002
    ..It was concluded that the FED is beneficial in reducing sleepiness and sleep-related driving incidents under conditions of afternoon monotonous driving following sleep restriction the night before...
  24. ncbi Driver sleepiness--evaluation of reaction time measurement as a secondary task
    S D Baulk
    Sleep Research Centre, Loughborough University, UK
    Sleep 24:695-8. 2001
    ..The drivers' own insight into their sleepiness had more validity as a tool for assessing sleepiness...
  25. ncbi Early morning driver sleepiness: effectiveness of 200 mg caffeine
    L A Reyner
    Department of Human Sciences, Loughborough University, Leicestershire, UK
    Psychophysiology 37:251-6. 2000
    ..This caffeine dose, feasibly taken via coffee, effectively reduces early morning driver sleepiness for about 30 min following nil sleep, and for around 2 hr after sleep restriction...
  26. ncbi A high sugar content, low caffeine drink does not alleviate sleepiness but may worsen it
    C Anderson
    Sleep Research Centre, Loughborough University, Loughborough, Leicestershire, UK
    Hum Psychopharmacol 21:299-303. 2006
    ..The energy drink did not counteract sleepiness, and led to slower RTs and more lapses during the final 30 min session, around 80 min after consumption...
  27. ncbi Prefrontal neuropsychological effects of sleep deprivation in young adults--a model for healthy aging?
    Y Harrison
    Sleep Research Laboratory, Loughborough University, UK
    Sleep 23:1067-73. 2000
    ..It was concluded that 36h SD in young adults produces effects on the PFC similar to those found in normal, alert people aged about 60 years. However, it can not be concluded that an aged brain is a sleep-deprived brain...
  28. ncbi Evaluation "in-car" countermeasures to sleepiness: cold air and radio
    L A Reyner
    Sleep Research Laboratory, Loughborough University, UK
    Sleep 21:46-50. 1998
    ....
  29. ncbi Sleep loss and temporal memory
    Y Harrison
    Sleep Research Laboratory, Loughborough University, Leicestershire, U K
    Q J Exp Psychol A 53:271-9. 2000
    ..Self-ordered pointing remained unchanged. In conclusion, sleep deprivation impairs temporal memory (i.e. recency) despite other conditions promoting optimal performance...
  30. ncbi Aspirin and nonfebrile waking oral temperature in healthy men and women: links with SWS changes?
    J A Horne
    Department of Human Sciences, Loughborough University, Leicestershire, England
    Sleep 12:516-21. 1989
    ..The circadian temperature trends over the waking day remained unaltered. The relevance of these findings to SWS changes was discussed...
  31. ncbi Sleep loss and "divergent" thinking ability
    J A Horne
    Human Sciences Department, Loughborough University, Leicestershire, England
    Sleep 11:528-36. 1988
    ..Increased perseveration was clearly apparent. Apparently, 1 night of sleep loss can affect divergent thinking. This contrasts with the outcome for convergent thinking tasks, which are more resilient to short-term sleep loss...
  32. ncbi Slow wave sleep elevations after body heating: proximity to sleep and effects of aspirin
    J A Horne
    Department of Human Sciences, Loughborough University, Leicestershire, England
    Sleep 10:383-92. 1987
    ..These findings were assessed in light of other comparable results from our laboratory. It seems that as the time of the day of heating recedes from nighttime sleep, a larger "dose" of heating is required to produce the same effect...
  33. ncbi Patterns of spontaneous and evoked body movements during sleep
    J A Horne
    Sleep Research Laboratory, Loughborough University, Leicestershire
    Sleep 18:209-11. 1995
    ..The former appeared to be associated with stage 3 + 4 sleep and the latter with rapid eye movement sleep...
  34. ncbi Gender- and age-related differences in sleep determined by home-recorded sleep logs and actimetry from 400 adults
    L A Reyner
    Sleep Research Laboratory, Loughborough University, Leicestershire
    Sleep 18:127-34. 1995
    ..Although these age effects are consistent with those reported elsewhere, the gender effects, some of which are much stronger than the age effects, have not been so evident before...
  35. ncbi Should we be taking more sleep?
    Y Harrison
    Department of Human Sciences, Loughborough University, Leicestershire, U K
    Sleep 18:901-7. 1995
    ..In sum, most people are not chronically sleep deprived but have the capacity to take more sleep, in the same way that we eat and drink in excess of physiological needs...
  36. ncbi Sleep deprivation affects speech
    Y Harrison
    Loughborough University, Leicestershire
    Sleep 20:871-7. 1997
    ..These findings are discussed in light of neuropsychological evidence concerning the functions of sleep in relation to the frontal cortex and in light of the implications for interpersonal communication in the event of sleep loss...
  37. ncbi Green light attenuates melatonin output and sleepiness during sleep deprivation
    J A Horne
    Department of Human Sciences, Loughborough University, Leicestershire
    Sleep 14:233-40. 1991
    ..Although the bright green light helped counteract sleepiness, any causal link with changes in melatonin output seem tenuous...
  38. ncbi The influence of bed partners on movement during sleep
    F P Pankhurst
    Sleep Research Laboratory, Loughborough University, Leicestershire
    Sleep 17:308-15. 1994
    ..Movements decreased during temporary absence of the usual bed partner. Couples seemed unaware of the similarity in the timing of their movements during sleep, and most reported sleeping better when their bed partner was present...
  39. ncbi The impact of sleep deprivation on decision making: a review
    Y Harrison
    Sleep Research Laboratory, Loughborough University, Leicestershire, United Kingdom
    J Exp Psychol Appl 6:236-49. 2000
    ..SD presents particular difficulties for sleep-deprived decision makers who require these latter skills during emergency situations...
  40. ncbi Electroencephalographic activities during wakefulness and sleep in the frontal cortex of healthy older people: links with "thinking"
    Clare Anderson
    Sleep Research Centre, Human Sciences, Loughborough University, Loughborough, UK
    Sleep 26:968-72. 2003
    ..We explored the potential linkage between (i) and (ii) in relation to specific waking theta frequencies and 0.5-Hz to 1.0-Hz activity in sleep...
  41. ncbi Early evening low alcohol intake also worsens sleepiness-related driving impairment
    Pauline R Barrett
    Sleep Research Centre, Loughborough University, Leicestershire, UK
    Hum Psychopharmacol 20:287-90. 2005
    ..Probably, there is no 'safe' level of alcohol intake for otherwise sleepy drivers, at any time of the day...
  42. ncbi Sleepiness enhances distraction during a monotonous task
    Clare Anderson
    Sleep Research Centre, Department of Human Sciences, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK
    Sleep 29:573-6. 2006
    ..Distractions are a potential cause of performance lapses (as are micro-sleeps). Here, we investigate the effects of sleepiness on a monotonous task, with and without distraction...
  43. ncbi Nonlinear analysis of EEG during NREM sleep reveals changes in functional connectivity due to natural aging
    John R Terry
    Department of Mathematical Sciences, Loughborough University, Leicestershire, United Kingdom
    Hum Brain Mapp 23:73-84. 2004
    ..Additionally, the contribution to the delta rhythm via nonlinear mechanisms is observed to be greater in older subjects...
  44. ncbi Do we really want more sleep? A population-based study evaluating the strength of desire for more sleep
    Clare Anderson
    Sleep Research Centre, Department of Human Sciences, Loughborough University, Leicestershire LE11 3TU, UK
    Sleep Med 9:184-7. 2008
    ..The sleep literature increasingly points to an apparent chronic sleep debt in the general population. We investigated this by examining perceived shortfalls in daily sleep, using more indirect questioning methods...
  45. ncbi Prefrontal cortex: links between low frequency delta EEG in sleep and neuropsychological performance in healthy, older people
    Clare Anderson
    Sleep Research Centre, Human Sciences, Loughborough University, Leicestershire, UK
    Psychophysiology 40:349-57. 2003
    ..Neither age nor response times were confounding factors. This potential sleep EEG marker for PFC neuropsychological function in healthy, older people also points to further uses of the sleep EEG in understanding the role of sleep...
  46. ncbi Presleep relaxed 7-8 Hz EEG from left frontal region: marker of localised neuropsychological performance?
    Clare Anderson
    Sleep Research Centre, Human Sciences, Loughborough University, Leicestershire LE11 3TU, UK
    Physiol Behav 81:657-64. 2004
    ..g., the whole of "alpha" or "theta" ranges) may mask subfrequencies of functional importance...
  47. doi Placebo response to caffeine improves reaction time performance in sleepy people
    Clare Anderson
    Sleep Research Centre, Department of Human Sciences, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
    Hum Psychopharmacol 23:333-6. 2008
    ....
  48. ncbi Sleepiness combined with low alcohol intake in women drivers: greater impairment but better perception than men?
    Pauline R Barrett
    Sleep Research Centre, Loughborough University, Loughborough, Leicestershire, UK
    Sleep 27:1057-62. 2004
    ....
  49. ncbi Mobile phone 'talk-mode' signal delays EEG-determined sleep onset
    Ching Sui Hung
    Sleep Research Centre, Loughborough University, UK
    Neurosci Lett 421:82-6. 2007
    ..This condition effect over time was also quite evident in 1-4Hz EEG frontal power, which is a frequency range particularly sensitive to sleep onset. It is possible that 2, 8, 217Hz modulation may differentially affect sleep onset...