Person-directed, non-pharmacological interventions for sleepiness at work and sleep disturbances caused by shift work. - Slanger, T.; Gross, J.; Pinger, A.; Morfeld, P.; Bellinger, M.; Duhme, A.; Reichardt Ortega, R.; Costa, G.; Driscoll, T.; Foster, R.; Fritschi, L.; Sallinen, M.; et al. (John Wiley & Sons, Ltd., 2016)