Order:
  1.  9
    An Experiment on the Effects of Loss of Sleep.H. R. Laslett - 1924 - Journal of Experimental Psychology 7 (1):45.
  2.  15
    Experiments on the effects of the loss of sleep.H. R. Laslett - 1928 - Journal of Experimental Psychology 11 (5):370.
  3.  7
    Eye movement and visual fixation during profound sleepiness.W. R. Miles & H. R. Laslett - 1931 - Psychological Review 38 (1):1-13.