I've stayed in far too many hotels and never figured out, nor ever asked, if one is supposed to eat the chocolate left on pillow before retiring to bed or when waking up. I personally eat it first thing waking up giving me a delicious boost. Seems to me eating chocolate (especially the dark type) right before sleeping will give me an unessesary stimulant keeping me up counting a few more sheep. Plus, I've already brushed my teeth