If your digestion has felt a little slower or heavier since the weather started cooling down, your body may simply be adjusting to fall.

Late nights can disrupt your whole circadian rhythm through shift work, late screen use, inconsistent sleep timing, or chronic stress. The effects cascade through cortisol, melatonin, insulin, sex hormones, and hunger hormones in ways that most people never connect to their sleep and light habits.

6 ways seasonal changes in Fall can affect your metabolism.