The true nature of sleep remains a mystery. Millions of people each night have trouble releasing the days events and getting a good nights sleep. Siesta contains special herbs that are known for their relaxitive and anti-anxiety properties. It also contains herbs known to aid digestion, which also may help your insomnia. Valerian roots use to promote sleep goes back over 1,000 years. It especially benefits those suffering from nervous over-strain, because it does not possess any of the after-effects produced by narcotics. Clinical studies on valerian root, which is sometimes called nature"s tranquilizer, have demonstrated this herb"s powerful relaxing and sleep-inducing effects. Everybody goes through stages of REM (rapid eye movement) sleep. It is important not to suppress the dreams during this stage because emotional experiences are processed and resolved by the mind in those dreams. Valerian does not interfere with the REM phase of sleep like some prescriptive tranquilizers that are most often prescribed for sleep disorders. Passion Flower has been used in Mexico and Central America as a gentle remedy for sleeplessness for centuries. It is also used as a sedative in nervous disorders (including gastrointestinal complaints of nervous origin), difficulties in sleeping, and anxiety or restlessness. It was formerly approved as an over-the-counter sleep aid. Passion flower has a tranquilizing effect, including mild sedative and antianxiety effects. In studies conducted since the 1930"s, its mode of action has been found to be different from that of most sedative drugs (sleeping pills), thus making it a non-addictive herb to promote relaxation. Also known as maddog, Skullcap has traditionally been known as a nerve tonic and sedative for relieving anxiety, neuralgia, and insomnia. In China it is found in prescriptions for fevers, colds, high blood pressure, hypertension, insomnia, headache, intestinal inflammation, vomiting of blood, and other conditions.L-tyrosine is