Can鈥檛 sleep? You鈥檝e probably heard that a glass of milk before bed will help you doze off. There鈥檚 something comforting in the age-old practice, whether it鈥檚 a mom feeding her new baby before putting him or her聽down for the night or just the act of heating up a glass of milk in a saucepan. And it鈥檚 not an old wives鈥 tale either: Milk is actually full of tryptophan, which is that food-coma-inducing ingredient found in turkey that makes people want to take a nap.

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Liz Lemon might actually have been on to something when she was working on her night cheese in that one episode of 30 Rock, because a new study from South Korea recently published in the聽Journal of Medicinal Food聽found that drinking milk聽at nighttime is especially聽efficient putting us to sleep. 鈥淣ight milk,鈥 as it鈥檚 being called, raises聽levels of tryptophan + melatonin more than milk consumed at any other time. Melatonin is a hormone your body naturally produces that makes you know it鈥檚 time to dim the lights and go to bed.

Scientists found that mice, when fed night milk, showed more signs of sedation than when fed 鈥渄ay milk鈥 鈥 it also lowered anxiety behavior (drink night milk and chill?). In the mice, the effects of night milk were comparable to those of聽diazepam, better known as Valium.

Iiiinteresting move there, science.

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(Photo via Getty + NBC)