Does Warm Milk Help You Sleep? The Answer May Surprise You

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In Brief: does warm milk help with sleep?


There is no scientific evidence that warm milk will help you achieve a good night’s sleep but if having a warm glass of milk is part of your nightly routine it’s advisable not to change as the routine itself may be helping you.

At one point or another, you may have heard that having a glass of warm milk before bed will help you achieve a better night’s sleep. But is this really the case? or is it just a myth that has gained momentum over time? Like any good myth, there are some elements of truth to consider. As with anything related to sleep, the answer is complicated, and there are varying opinions.

In this article, we’ll take a look at some of the reasons warm milk may aid with sleep and bust a few commonly held myths along the way.

We can’t discuss warm milk and sleep without first covering Tryptophan. Along with milk, Tryptophan is also found in turkey and assists with sleep. Most of us tend to feel sleepy after indulging on Thanksgiving Day. As a result turkey, meat and warm milk are both are thought of as useful in helping us get a good night’s sleep.

While milk contains the Amino Acid Tryptophan, it is just one of 20 essential amino acids we need.  Tryptophan is not produced by our bodies naturally. Instead, it comes from foods high in protein such as milk and meat products. Amino acids for those unaware are the building blocks for protein and metabolism. Our bodies convert Tryptophan into Serotonin, which is a neurotransmitter. One of the roles neurotransmitters perform is to regulate sleep.

As milk contains Tryptophan, you would think milk is great for inducing sleep. But, the human body is a complicated organism. It just isn’t a simple process of having a glass of warm milk before bed and expecting to go into a sleep state.

The reason being is the Tryptophan has to find its way to your brain if it is to be effective in helping you relax. To do this, it needs to cross the blood brain barrier which puts it in the path of other competing Amino Acids. Competing Amino Acids tend to break Tryptophan down.

It is true that Tryptophan on its own can assist with sleep. But the small amounts found in milk or turkey contain many competing Amino Acids. These competing Amino Acids nullify the chances of the Tryptophan reaching the brain.

Why do I feel sleepy after Thanksgiving Day dinner?

Warm Milk

If Turkey helped us sleep because of the Tryptophan alone, we would need to consume more than 40 pounds of it. The fact is Turkey meat contains no more Tryptophan than many other meat products. In reality, the bird is getting the blame unfairly.

So why do we feel sleepy after Thanksgiving? For starters, you eat more than normal on a particular occasion such as Thanksgiving. You are also more than likely taking in a lot of foods you wouldn’t eat every day. Foods such as deserts are high in carbohydrates. Carbohydrates do not include Tryptophan, but they do increase Serotonin production in the brain. Adding to this is the fact that our digestion system requires a considerable amount of energy.

For starters, you eat more than normal on occasions such as Thanksgiving. You are also more than likely taking in a lot of foods you wouldn’t eat every day. Foods such as deserts are high in carbohydrates. Carbohydrates do not include Tryptophan, but they do increase Serotonin production in the brain. Adding to this is the fact that our digestion system requires a considerable amount of energy.

There is also the feeling of contentment that comes with a satisfying meal. This sense of comfort can put us in a position where are susceptible to falling asleep. You can also add the fact that most of us enjoy a drink or two on a particular occasion which can also lead to drowsiness.

Why do babies fall asleep after a bottle of warm milk?

So we know that Tryptophan in milk won’t contribute a great deal to us falling asleep. But the question remains does warm milk help us sleep? After all, babies often will fall asleep on the bottle. Wouldn’t it be accurate to say warm milk helps babies fall asleep? Again there is some truth to this statement. But not because milk contains substantial sleep inducements. The fact is your child will often exhaust themselves on the bottle. Additionally, your baby associates milk with ‘nap’ time and falls into this routine. Kids respond well to routine after all.

It’s this routine that is the reason both babies and adults associate warm milk with sleep. The fact that many of us believe warm milk does help us sleep serves to help us relax. Warm milk becomes part of our bedtime routine.

Summary

So does warm milk help you sleep? The scientific world doesn’t credit warm milk with helping us sleep. But It’s wise not to go changing your bedtime routine just yet.

It’s often the routine itself that is helping you sleep. If warm milk forms part of this routine I encourage you to drink up, it’s not going to do you any harm.

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