insomnia n.失眠; 失眠症 insomniac n.失眠症患者; a.患失眠症的 anti-insomnia vitamin 抗失眠（症）维生素 --------------------------------------- A combination of nutritional adjustments to aid sleep, including: A marked reduction in alcohol consumption Avoiding caffeine in all forms (tea, coffee, cola, chocolate) Taking a protein-rich snack at bedtime (yogurt is one example) Taking one gram of niacinamide (vitamin B3) at bedtime (for the type that sleeps easily but wakes and cannot get back to sleep) Niacinamide (vitamin B3) is a kind of anti-insomnia vitamin. 烟酰胺（维生素B3）是一种抗失眠维生素。