MATLAB: Are the XTick labels repeating

Question

Below is my code for plotting: It should only display 6 values (as defined by linspace) any help would be genuinely appreciated!

stairs(eNumbers,eStages,'Color',[0,0.25,0.63],'LineWidth',1.5);
title(eProfile.subjectID);
xlabel('Time (mins)');
ax=gca;
ax.Color=[0.81 0.81 0.81];
eTicks = linspace(eTimes(1),eTimes(end),6);
xlim([1 size(eStages,2)]) 
ax.XTickLabel=eTicks;
ax.YDir='reverse';
ax.YTick = [0 1 2 3 4];
ax.YTickLabel={'Awake','REM',' Stage 1','Stage 2','Stage 3'};
ax.YGrid = 'on';

Answer 1

You did not define as many tick labels as you have ticks. To repair,

ax.XTick - eTicks;