Your diet, your food and beverage intake, is one major contributing factor toward the insufferable condition of insomnia.
Your incorrect dietary habits need to form part of a brain re-training effort for you to be able to cure insomnia naturally and permanently.
Of all the food types or food additives that exist in the modern day world, there is absolutely no doubt and certainly no secret, that caffeine-containing foods are king when it comes to foods that will keep you awake.
At this point, it's briefly worth mentioning that unless you're highly allergic or have some other unhealthy reaction to caffeine, it actually has some positive properties endorsed by many experts within the medical profession i.
e.
it's a strong stimulant that used at the right moment can be very beneficial, it also has strong anti-oxidizing properties which are beneficial to our health.
It's really just a matter of knowing how to control your caffeine intake, which has to be part of the effort toward getting that all important night of sleep; Know what foods contain caffeine These days there are many - read the labels when you purchase.
Coffee, Colas, Tea and many other soft drinks, especially energy drinks, have the highest caffeine content.

• Try caffeine-free herbal teas and coffee as an alternative late evening beverage.
  

Know when to have your caffeine boost In general, depending on a persons' sensitivity, the effects of caffeine will normally wear off within a few hours - six hours at the very longest.
Therefore it's commonsense that coffee and other caffeine containing beverages are best consumed during the first half of the day.
Late lunch time would likely be the limit, depending on when you're likely to go to bed.
Know the amount of caffeine you can comfortably tolerate Some people are more sensitive than others, so as a summary; a couple of cups during the day for some would be devastatingly sleep-killing for others - only you will know what you can tolerate.
Maybe you cannot tolerate any at all!