Stressful schedule demands good sleep but too much stress build up will not allow you to get into a deep slumber. Quite a frustrating situation! If this is the case, you need to switch over to certain foods that will get you the desired peaceful sleep waking you up fresh and rejuvenated next morning. Good sleep is controlled by a specific neurotransmitter serotonin, which comes from an amino acid tryptophan. Higher the serotonin levels better are your chances for sound sleep. Specific foods listed below help in raising the serotonin levels. But not to ignore daily exercise schedule to make the best use of your sleeping hours.