 [ Symptoms ] 4 year old takes xantax…what should i do [ Disease ] generally speaking just looking at the overall amount of caffeine is the first place i tell people to go you should not be ingesting more than about 250 milligrams of caffeine in any particular day according to the national sleep foundation and i like to use that as kind of a guide and so if you are ingesting more than that i would say try to slow back and cut back to that amount and see if it helps your sleep but a lot of time people tell me that they have racing thoughts if they have caffeine induced insomnia people tell me that they have muscle tension and people tell me that they have sort of tingly jitters 250 milligrams of caffeine is approximately what well it depends that could be almost a six pack of soda because soda does not have as much caffeine as people think it is got somewhere between 40 and 60 milligrams of caffeine unless of course you are talking about the high caffeinated sodas like the red bulls wow so it is not as easy as it looks and then brewed coffee turns out to have more caffeine in it than cappuccino or lattes and things of that nature so you can actually go and look and try to understand exactly how much caffeine is in each different substance