Occupational Medicine 1971;21:69-72
© 1971 Society of Occupational Medicine
research-article |
Time Zone Transitions and Business Executives
Professor of Physiology, Royal College of Surgeons in Ireland
Circadian (or 24 hour) rhthms in man are currently a very active field for research. These rhythms have a number of applications in occupational medicicne; their implecations for business executives making long East-West or West-East journeys across time zones are of particluar interest.Examles of physiological and psychlogical disturbances in test subjects flying across time zones are descrbed. Replies form medical advisers to leading compaies concend with the problem are commented on and a survey of 315 senior executives in a number of major British and American companes detailed. Form the replies recevied, it emerged that 87.5 per cent of the exectives had sleep disturbaces following such journeys and that business negotiations were conducted by 50 per cent befor gaining a nitht's sleep even though less than 20 per cent clamed to be fully fit when so doing. Comments and advice to executives making long East-West or West-East flights are suggested.