How Sleep Affects Your Fitness

Video Transcription

In today’s transformation coaching session you will learn how sleep deprivation actually tells your body to eat more and how it slows down your metabolism!

When you sleep, it’s your body’s time to restore and rejuvenate. SOoooooo many things happen in our bodies while we sleep.

We know everyone experiences trouble sleeping from time to time but problems may occur when regular disturbances happen and these can begin to affect your daily life. Some of these problems include:

Fatigue & Lethargy

Foggy mind

Concentration & Memory Problems

Reduced immunity

Increased risk of heart disease, diabetes and other health problems


Hmm this is a big one for me. You don’t want to be around me when I am tired. Not only am I moody but I also get very emotional. Not a good combo, is it Ant?

Definitely not!

What we want to focus on today though is the fact that lack of sleep can interfere with your ability to lose weight.

There are two main appetite regulating hormones – Leptin & Ghrelin. When you are not getting enough quality sleep, these hormones go off balance.

Leptin is produced by your fat cells and helps decrease your appetite.

Leptin is the chemical that tells the brain when you are full and when it should start burning up calories, rather than storing them. If you don’t get enough sleep, your body has too little leptin and it makes your brain think you don’t have enough energy for your needs. So your brain tells the body it’s hungry, even when it’s not and then stores the calories you eat as fat so you have enough energy next time you need it.

So sleep deprivation can result in constant hunger and lowering of metabolism.

I mean we have all been there. Bad nights sleep and you just keep eating the next day and can’t fill up.

While Ghrelin is produced by the stomach and increases your appetite. The more ghrelin you have, the more you want to eat. I like to call it the Gremlin.

The purpose of ghrelin is the exact opposite of leptin: It tells your brain when you need to eat, when it should stop burning calories and when it should store energy as fat.

When you don’t sleep well you can have too much ghrelin, so the body thinks it’s hungry and needs more calories & it stops burning calories as it thinks there’s a shortage. These calories are stored as fat.

Let’s recap:

Lack of sleep can cause Lethargy, Foggy Mind, Lack of Concentration, Moodiness, reduced immunity and other health problems.

When we don’t get enough sleep our Ghrelin levels rise and our Leptin levels lower which means we are constantly hungry and holding onto body fat.


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