This could actually stop you sleeping mainly due to its high caffeine content which increases the heart rate. Now lets turn to some other stuff that is often added to chocolate sugar and milk. 10 Ways To Fall Asleep Sleep Better Sleep Help Falling Asleep Better Sleep Ways To Fall Asleep You can make you own Hot Chocolate with this easy recipe if you buy a commercial product make sure. Does cocoa help you sleep . Chocolate also contains tryptophan which stimulates serotonin and melatonin. Hot chocolate has a certain amount of magnesium in the chocolate so that can be relaxing - and can help you sleep. Despite its low caffeine content it does in fact boost serotonin levels which can promote healthy sleep. Pure cocoa rather than chocolate is also packed with antioxidants which can act as an anti-inflammatory. So you may sleep better. But again the amount of tryptophan differs by chocolate type and it impacts different people very differently. I believe that hot choco...