Do you have difficulty falling asleep, and / or staying asleep? Perhaps you have insomnia. 30% of American adults have occasional bouts of insomnia, and 10% have chronic insomnia (lasting more than 6 months). Incomplete sleep causes concentration problems, irritability and potential health risks. A healthcare professional or sleep expert should be consulted for thorough diagnosis, however, massage therapy can also help with reducing stress levels and increasing serotonin levels.