How come when we are tired, we don’t feel it in our body. Once we lay down we feel everything?

Question

How come when we are tired, we don’t feel it in our body. Once we lay down we feel everything?

In: 4

Answer 1

A reason could definitely be the body’s ability to push away/through pain, tiredness and bad things. Let’s say its a survival situation (its probably not but the brain acts as if it was). Is it better to fight through the situation and feel the pain and exhaustion all the time while you push through or is it better to complete the “life threatening” task first and then feel it afterwards?

Well evolution said it’s better to feel it after.

Over time this resulted in 2 modes for the body:

Fight or flight: in this mode the body ignores all stimulus from the body that aren’t important for immediate survival such as pain (to a degree), tiredness, missing sleep, hunger, arousal. Instead it increases heart rate and muscles strength

Rest and digest: i this mode the brain doesn’t ignore all the signals, instead it received and make you take conscious choices about the signals, like tending to wounds, sleep, recreation, social life and eating.

In modern life real fight or flight situations (as originally intended) doesn’t happen alot doe normal people. Instead stressfully jobs or loves has taken over. With the mental stress inducing a fight or flight mode throughout the entire day the important signals only gets noticed when you lie down to sleep.