Abstract:
:The aim was to study the effect of rotation direction on the time-of-day variations of cortisol, fatigue and sleep in sound engineers broadcasting in a life show. The salivary cortisol and ratings of stress, sleepiness and fatigue were followed at three hour intervals in 25 sound engineers: 13 working very fast forward-rotating shifts and 12 working very fast backward-rotating shifts. Cortisol was assessed with radioimmunological kits. The participants reported for stress symptoms and filled sleep diary. Cortisol retained the typical diurnal pattern. The rotation direction interacted with the shift significantly and as a result higher cortisol values during the morning and night shifts in the backward rotating group were found as well as worse quality of sleep. Higher salivary cortisol during morning and night shifts and worse quality of sleep in engineers working very fast backward-rotating shifts may be an indication for insufficient recovery.
journal_name
Ind Healthjournal_title
Industrial healthauthors
Vangelova Kdoi
10.2486/indhealth.46.490subject
Has Abstractpub_date
2008-10-01 00:00:00pages
490-3issue
5eissn
0019-8366issn
1880-8026pii
JST.JSTAGE/indhealth/46.490journal_volume
46pub_type
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