3. Sleep Quality:
Poor sleep quality can also lead to increased blood sugar levels, manifesting as difficulty falling asleep, frequent awakenings at night, or feeling lethargic upon waking up.
Research shows that individuals with poor sleep quality have a 52% higher risk of developing type 2 diabetes compared to those with good sleep quality. Poor sleep quality often implies insufficient deep sleep, and the brainwaves during deep sleep regulate the body's sensitivity to insulin, thereby improving blood sugar control the next day.