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What Is A Body Clock, And Why Is It Important?

  • 3 min read

Top 5 Facts About Your Body Clock

Your body has a built-in biological clock that sends signals to your body on when it is time to perform certain activities throughout the day from sleeping and eating to using the facilities and more. Contrary to what most of us assume, there is not only one body clock, but rather an entire network of biological clocks. These internal body clocks activate at certain times of the day and night, and depending on what internal and external cues are received, these clocks kickstart biological processes such as hormone production, temperature regulation, blood pressure levels, etc.
However, as much as we have a multitude of internal clocks, we do have one master biological clock, the circadian clock pacemaker. This body clock is made up of a group of neurons located within the hypothalamus in your brain. This master body clock is influenced by the 24-hour light cycle, where your internal clocks will suggest to you what the best times are for going to sleep, waking up, eating, exercising and so on – creating a daily routine that you subconsciously follow.

The Top Things About Your Body Clock You Should Know

1 It is Sensitive to Light

Your master body clock is extremely sensitive to and heavily influenced by the presence and absence of light. Light is the one external factor that affects our circadian rhythm the most. When light shines into a space, it triggers our brains to produce chemicals that signal our body clock to wake us up. The same works when the sun sets and it starts to get dark, our brain produces chemicals that makes our brain tell us that it is time to go to sleep. However, artificial light from lightbulb's that we turn on when it gets dark have a direct impact on this.
We understand that realistically we all have things that we need to do even after it gets dark, but if you wish to have a good night’s sleep, we recommend that you try and keep your bedroom as dark as possible the closer it gets to your bedtime. An additional way to try and improve your sleep is to reduce the amount of technology you are exposed to as the evening goes on.

2 It Regulates Our Skin Cells

The outermost layer of our skin is healed and regenerated by stem cells. It has been found by scientists that our circadian rhythm plays a key role in the chemical process of these cells regenerating. In other words, the beauty sleep myth does in fact have some truth behind it.  

3 It Does Not Stop, Even On Weekends

Your body clock never stops, no matter where you are or what you are doing. However, it does adjust and this is why you may find that if you go away on holiday towards the end of your trip your body has adjusted to your new routine, and then when you return home you struggle to get back into your daily life. It is important that you try and keep a regular routine to ensure that your body clock can be as accurate as possible to ensure your body reaps the rewards and is as rested as possible.

4 It Affects Your Metabolism

When you eat, as well as home much can have an impact on your weight management. Your body uses calories to consume, digest and store nutrients from your dinner. The calories that your body uses to consume, digest, and store your dinner increase after you eat it. This is commonly known as the thermic effect of food, which outlines the increase in metabolic rate. It is suggested in some studies that food’s thermic effect decreases later at night. This means that the same food item burns fewer calories when you consume it at midnight than if you had to consume it at midday.

5 When Your Body Clock is Not Working Right, Everything is Off

Our bodies are an intricate system that rely on all parts working together properly to function. If your body clock is not functioning at its optimum level, it can have an impact on your body from digestion, mental capacity, your emotions, hunger levels, sleep and general wellbeing. Overall, having a healthy, stable circadian rhythm is extremely beneficial for both your body and general wellbeing.