All herbal teas do not help you sleep, we must favor those based on linden, lavender, ylang-ylang, orange blossom, verbena or chamomile, for the best known. But you should know that they do not contain enough active ingredients to really induce sleep. In reality, it is rather the ritual, which creates relaxation and indirectly stimulates the desire to sleep. Sitting down to sip your hot herbal tea has a soothing effect, induces relaxation, and can help the brain secrete melatonin.
As for the glass of milk, studies have shown that its proteins have a relaxing effect and that they reduce stress. A glass before sleeping thus improves the quality of the slow and paradoxical sleep phases. Doctor Alexandra Dalu* explains that the chemical reaction of a glass of milk has the same effect as some sleeping pills that promote relaxation and serenity, but without the side effects. Another advantage, according to her, is that milk casein is a slow-absorbing protein, which allows long satiety, thus avoiding late-night cravings... So we make it our evening ritual:a glass of milk accompanied by herbal tea lavender, chamomile, etc. And if that's not enough, we dig into these other tips:12 surprising gestures that promote sleep.
*The 100 misconceptions that keep you from feeling well , Alexandra Dalu, Leducs Editions.