The Limbic System is a complex system of nerves and networks in the brain. It involves several areas near the edge of the cortex concerned with instinct and mood; it controls basic emotions (fear, pleasure, emotions), and drives (hunger, dominance, care of offspring).
Lavender- studies show that inhaling improves sleep; it may activate the brain's limbic system, which plays a key role in the regulation of mood and emotion
Chamomile Tea- herbal, decaf
Valerian- can interact with medications, including anti-depressants, pain relievers, and anti-seizure drugs; there are risks
Warm Milk- milk contains tryptophan, an amino acid that the body converts to melatonin and the calming brain chemical serotonin
Anything Relaxing- music, quiet time, candle lit evenings, etc... Be Creative!