The dawn phenomenon
In the early morning, your body releases hormones such as cortisol and growth hormone that tell the liver to release glucose to prepare you for the day. In people with insulin resistance, this can leave fasting blood sugar higher than they expect.
Other causes
- A large or carb-heavy late snack.
- Short or broken sleep (NHLBI).
- Medication timing or dose, for people with diabetes.
- Illness or stress (CDC).

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See the Discount ›What to try
- Finish eating 2–3 hours before bed.
- If you snack, choose protein or nuts.
- Take a short walk after dinner. See walking after eating.
- Keep a regular sleep schedule. See sleep and blood sugar.
- Log readings for two weeks to show your doctor.
When to call your doctor
If fasting readings stay above your target, or you have symptoms of high blood sugar such as thirst and frequent urination (MedlinePlus). Do not change medicines on your own.
Log template
| Date | Dinner time | Late snack? | Bedtime | Fasting reading |
|---|---|---|---|---|
Two weeks of notes like these help your doctor see patterns quickly. See sleep and blood sugar and normal ranges.
Daily support
MetaGlucent supports healthy glucose metabolism and insulin sensitivity with berberine and chromium. If you take diabetes medicine, ask your doctor first. See MetaGlucent with medications.
FAQ
Why is my blood sugar higher in the morning than at night?
Often the dawn phenomenon; early-morning hormones raise glucose.
What is a good fasting blood sugar?
Under 100 mg/dL is normal for adults without diabetes (CDC).
Does apple cider vinegar fix morning highs?
Evidence is limited; focus on proven habits and your doctor’s advice.
Sources
- NHLBI: Sleep deprivation and deficiency
- CDC: Diabetes and mental health (stress and blood sugar)
- MedlinePlus: High blood sugar (hyperglycemia)
- CDC: Diabetes testing (A1C, fasting and glucose tolerance ranges)
General information, not medical advice. Prices and terms come from the official MetaGlucent order and return pages, checked October 30, 2026; the checkout page and the label on your bottle take priority. Read our disclaimer.