Just read Breath by James Nestor. You can thank me later. Fellow ran experiments on himself (and monkeys too) on exactly that, mousebreathing vs. nosebreathing.

Just read Breath by James Nestor. You can thank me later. Fellow ran experiments on himself (and monkeys too) on exactly that, mousebreathing vs. nosebreathing. The difference is drastic. Catasthropically drastic.