Tryptophan and melatonin

Milk (and other dairy products) are a really good source of tryptophan. It's an amino acid that can help promote sleep, so it can come in particularly handy especially if you're used to tossing and turning before finally getting off to sleep.

Is it good to drink milk before bed?

Scientific evidence suggests that warm milk before bed may help you sleep. In a study of people staying in a hospital's heart unit, those who drank warm milk and honey for three days noticed improvements in sleep⁴.

When should I drink milk to sleep?

According to Ayurveda, consumption of warm milk is highly recommended at night before a good night sleep. In The Complete Book of Ayurvedic Home Remedies by Vasant Lad, it states, “Don't forget to drink a cup of hot milk, with a little ginger, cardamom and turmeric. Drinking milk at bedtime helps to induce sound sleep.