I heard this on tv the other day. There are hundreds of micro bugs living on your eyelashes. At night they all run over your face!
How creepy was that. I can't stop thinking about it.
These things can be bad for your mental health. Your body is not just you - it's full of other organisms which are all part of the real you.
If you start watching films about your inner body you will possibly end up round the twist.
If you know something is going to disturb you, don't watch it.
Some years back, my son watched a series of documentaries which showed how certain foods are made. One by one, he gave up eating them because of what he'd seen. Yet he'll still eat a boiled egg?
Go figure, as our American cousins say.