Lack Of Sleep Causes Insulin Resistance
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- Lack Of Sleep Causes Insulin Resistance
Insulin resistance is an epidemic. The condition is rising rapidly in all parts of the world and is a leading risk factor for the development of fatty liver, obesity, heart disease, type 2 diabetes, cancer and dementia. Clearly there are a lot of dangerous side effects of being insulin resistant.

Two recent studies highlighted the shocking effects lack of sleep have on insulin function. One is called “A single night of partial sleep deprivation induces insulin resistance in multiple metabolic pathways in healthy subjects”. The other study is called “Sleep Restriction for 1 Week Reduces Insulin Sensitivity in Healthy Men”. When they refer to sleep restriction, they mean the subjects only got 5 hours of sleep per night. For some people that is a typical night of sleep. Ideally you would get 7 to 8 hours of sleep each night.
Not getting enough sleep is a major stress on your body. Your body interprets it as some kind of emergency. If you’re not getting enough sleep, your body thinks it means you aren’t safe. Therefore lack of sleep raises your blood level of the stress hormones adrenalin and cortisol. They can remain elevated all day.
Cortisol does everything it can to raise your blood glucose level. It causes glucose from your liver and muscles to be released into your bloodstream. Cortisol can even cause the breakdown of collagen in your body, as well as your muscles and bones, converting them into glucose. What do most people do when they haven’t get enough sleep? They increase their caffeine intake. Unfortunately caffeine also raises cortisol, potentially worsening insulin resistance. Sleep deprivation also reduces motivation to eat well and exercise. It raises levels of hunger hormones and promotes cravings for junk food.
The above statements have not been evaluated by the FDA and are not intended to diagnose, treat or cure any disease.
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