Tucker, P., Tucker, P., Dahlgren, A., Akerstedt, T., & Waterhouse, J. (2008). The impact of free-time activities on sleep, recovery and well-being. Applied Ergonomics, 39(5), pp. 653-662. doi:10.1016/j.apergo.2007.12.002

Tucker, Philip, P. Tucker, A. Dahlgren, T. Akerstedt, and J. Waterhouse. "The Impact of Free-time Activities On Sleep, Recovery and Well-being." Applied Ergonomics 39, no. 5 (2008): 653-662.

Tucker, Philip, et al. "The Impact of Free-time Activities On Sleep, Recovery and Well-being." Applied Ergonomics 39.5 (2008): 653-662.