The Benefits of the 16:8 Diet

9. What to Expect as a New Faster

Some people experience grogginess or increased irritability when they begin intermittent fasting. Fasting may temporarily spike stress levels because the same biochemistry behind appetite also regulates mood; any change in appetite may lead to changes in emotions. This increased stress may also dysregulate sleep patterns for a few days. To counter these unpleasant effects, take up activities that lower stress and distract the mind from eating. During the eight-hour eating window, it is essential to eat enough nutritious whole foods to make feel satiated but not overstuffed. Getting sufficient sleep can help regulate mood as well.