jet lag psychomotor vigilance task

OBJECTIVE: Jet lag is common place amongst long-haul cabin crew. Timed food has been shown to reset the circadian rhythm in rodents. Implementation intentions have been used to change eating behaviour. Mealtimes could therefore be used as a countermeasure to reduce jet lag and improve alertness in long-haul cabin crew through forming an implementation intention to improve the regularity of meals on days off. DESIGN: Sixty long-haul crew took part in a randomised controlled trial, with two conditions: forming an implementation intention to eat regular meals on days off vs...