Sleep is a natural phenomenon of giving adequate rest to the mind and body. Insomnia is the ability to fall asleep at night for many hours or it is defined as the inability to have a sound sleep, which deprives one of natural rest and interferes with the activities during the day. Insomnia or restlessness impairs judgement and concentration, affects our moods and emotions, increases the risk of accidents, accelerates ageing in the skin, increases the incidence of depression, may also cause weight gain and obesity and increases the risk of death.