I never heard about blood transfusions against sleeplessness.
I think this is a thing of the brain or hormone (too much adrenaline) plus habit.

Once used to sleep less your system will not easily change no matter how tired you are.

Busy brains keep you awake too.

This summer I felt tired hardly could stay awake now it has changed in hardly sleep in the past 3 weeks. I am still functioning and making a problem out of it will not cure it. Sooner or later I sleep again.

Sweet dreams.
👍💕

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