Waking up with high blood sugar without eating overnight can be confusing and frustrating. This condition, known as the dawn phenomenon, occurs because your body releases certain stress hormones—like cortisol and growth hormone—in the early morning hours. These hormones trigger your liver to release glucose into the bloodstream to prepare your body for the upcoming day. While this is a natural process, in people with insulin resistance or diabetes, it can cause noticeable increases in morning blood glucose levels. From my personal experience managing this, I found that monitoring blood sugar frequently upon waking helped me identify patterns. I noticed my glucose was consistently higher between 5 a.m. and 8 a.m., even though I hadn’t eaten since the night before. Adjusting my evening routine by avoiding high-carb late-night snacks and ensuring a balanced dinner helped reduce these spikes somewhat. Additionally, incorporating light physical activity in the morning, such as walking or stretching, can improve insulin sensitivity and help reduce glucose levels. Staying hydrated and reducing stress before bed, with relaxation techniques like deep breathing or meditation, also made a difference in stabilizing my morning readings. If you experience dawn phenomenon, it’s important to discuss these morning glucose patterns with a healthcare provider. They might recommend adjusting medication timing or dosage. Understanding this natural hormonal effect empowers you to better manage your blood sugar and avoid misinterpreting these readings as overeating or poor diet control.