Figure 5 - Self-rated alertness. Mean (± SE) changes from baseline. *pP < 0.05
From the following article
N M Girdler, K J Fairbrother, J P Lyne, N Neave, A Scholey, N Hargaden, K A Wesnes, J Engler & N A Rotherham
British Dental Journal 192, 335 - 339 (2002) Published online: 23 March 2002
doi:10.1038/sj.bdj.4801369

