Article continues below advertisement"Sleepy Don" appears to be making another return.On Thursday, December 18, cameras caught Donald Trump seemingly nodding off once again - this time during an Oval Office event where he signed an executive order to move marijuana to a lower drug classification. The change would allow expanded research into the substance and potentially widen its medical use.Article continues below advertisementSource: @atrupar/XDonald Trump appeared to nod off during an Oval Office event.