I think my fingers are having a stroke…

Or… I’m being possessed by the spirits of homophones past.  Instead of the word ‘do’ I type ‘due.’ Instead of ‘red’ I type ‘read.’   I actually typed ‘aisle’ instead of ‘I’ll’ this morning. So?  Any thoughts?  Any closet neurologists out there?  ‘Cause right now?  I think I might be in a cross between Memento,…