Why can’t you eat at night?

eat at night

What could be tastier than a slice of cake eaten at twelve in the morning? At this time, both the broth and the sausage sandwich seem like a delicacy. And so you want to quickly send something to your mouth. But is it worth it?

On the Internet, you can find many articles on the topic “why you can’t eat at night.” Experts have broken many copies, discussing whether it is harmful or not. Some strongly believe that yes, eating at night is harmful to the body. Others are equally persistent in defending the opposite point of view. So which one is right? Let’s try to figure it out.

Metabolism is responsible for the metabolism in the body. It includes two multidirectional processes:

  • Catabolism is the process of breaking down chemical bonds and releasing large amounts of energy
  • Anabolism is the reverse process, as a result of which high molecular weight compounds are formed.

Simply put, all nutrients that enter the body are broken down into simpler ones. At the same time, energy is released, which is used to create new substances. Newly created proteins, fats and carbohydrates are the building blocks for new cells and intercellular substance.


Hormones control these processes. In the first case, it is adrenaline and cortisol, in the second – insulin, testosterone.

Metabolism changes throughout the day. Circadian rhythms (biological clock) are responsible for this. Metabolism never stops, there are simply periods in which it slows down greatly. However, if you do not go over the daily calorie intake, then excess weight will not threaten you. Weight gains only when the body regularly receives more calories than it spends. It doesn’t matter exactly when you eat.

But our life is such that often during the day we do not have time to eat properly, being content with snacks. The only normal meal is dinner, and then we do not deny ourselves anything. Heavy food overloads the gastrointestinal tract. In addition, blood sugar rises and levels of cortisol, which is a stress hormone, jump up. But the level of melatonin, which is responsible for our circadian rhythms, drops. We either wake up, or we simply cannot sleep, feeling overwhelmed and tired in the morning.

That is why nutritionists say that the last meal should be 2-3 hours before bedtime.

If your dinner consists of green vegetables, sea fish, fermented milk products, the body does not overstrain, the gastrointestinal tract works as usual, hormones do not shake the body. But such food will extinguish hunger and improve the emotional background.

Summing up, we conclude that if you eat right, dinner time can be shifted towards the evening (but not at night!), Otherwise you should still listen to nutritionists and give the body a rest.

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