Momentum in the Mountains 2024


Starving Your Body of Sleep: This is What Happens

author avatar Dr. Eric Berg 08/31/2023

What would happen if you didn't sleep for 72 hours? This.


0:00 Sleep deprivation 

0:10 Side effects of no sleep  

3:37 Bulletproof your immune system  

Let's talk about what would happen to your body if you were sleep-deprived. It's not just about the quantity of sleep. It's about the quality. If you have any of these symptoms, you should watch my videos on how to sleep better. 

24 hours without sleep:

• Drowsiness

• Irritability 

• Impaired judgment 

• Decreased memory 

• Increased muscle tension 

• Increased risk of accidents 

36 hours without sleep:

• Increased cortisol 

• Increased insulin 

• Decreased growth hormone 

• Increased appetite 

• Decreased metabolism 

• Moodiness 

• Increased stress

• Extreme fatigue 

• Hormonal imbalance 

• Poor reasoning 

• Decreased motivation 

48 hours without sleep:

• 30-second microsleep (confusion, disorientation) 

• Lowered immune system 

• Decreased natural killer cells 

72 hours without sleep:

• Profound inability to think 

• Can't pay attention 

• Can't remember details 

• Can't finish projects  

• Dispersed 

• Very irritated 

• Illusions 

• Altered perceptions 

How to Sleep Better:




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