Melatonin Supplementation in Patients with Complete Tetraplegia and Poor Sleep

Figure 1

Melatonin concentrations (pg/mL) from saliva sampled just prior to sleep and after awakening for the positive controls and for the participants with complete tetraplegia at baseline and two weeks after melatonin supplementation. Note: reportable pg/mL range for this saliva assay was 0.5 to 50. Melatonin concentration values for three participants with a ceiling pg/ml were slightly altered on graph to show visually that three participants obtained this maximum reportable value.