– What is the dull hum/white noise you hear at night time when it’s completely silent

Question

Like right now it’s hot in the UK time for bed, windows open, no cars no crickets no animals or noises of such other than the low hum of … Silence?

In: Biology

Answer 1

Residual activation of the neurons in your brain. Even though no sound from your cochlea is being transmitted there is still some activation happening that your brain is interpreting as sound.