What is the brown mucus i spit up with brown chunks? not tonsil stones, no smell and not yellow it only has happened when i first wake up lately.

Gum disease: Bleeding gums can be a sign that you are at risk for, or already have, gum disease. These bacteria, along with mucus and other particles, constantly form a sticky, colorless toxic “plaque” on teeth causing the gums to become inflamed and to easily bleed. Bleeding may be a sign of a serious problem, which should be checked by a dentist.