Quick Answer: Can you get hypoglycemia overnight?

When blood glucose levels fall below 70 mg/dl while sleeping at night, the person experiences a condition called nocturnal hypoglycemia. Studies suggest that almost half of all episodes of low blood glucose — and more than half of all severe episodes — occur at night during sleep.

What causes hypoglycemia while sleeping?

Causes of nocturnal hypoglycemia

Too high a level of basal (background) insulin. Physical activity during the day can increase insulin sensitivity which can lead to night time hypoglycemia, particularly for the first night after a sustained session of activity. Following alcohol consumption.

How quickly does hypoglycemia occur?

If a condition is “postprandial,” it occurs after a meal.) People with IPS have the symptoms of hypoglycemia 2 to 4 hours after a meal, but they don’t have low blood glucose. This usually occurs after eating a high-carbohydrate meal.

What are the symptoms of nocturnal hypoglycemia?

What are the signs of nighttime hypoglycemia

  • Sweating: waking up with damp clothes/sheets.
  • Waking up with a headache.
  • Having nightmares.
  • Feeling unusually tired in the morning.
  • Waking up with a higher than usual glucose level.

What are symptoms of low blood sugar at night?

These are signs you had low blood sugar while asleep: having a headache, confusion, or irritability upon waking.


  • restless sleep.
  • sweaty, hot, or clammy skin.
  • rapid increase in breathing.
  • sudden slowing of breathing.
  • racing heart rate.
  • trembling or shaking.
  • nightmares or sleep disturbances.
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Can anxiety cause low blood sugar?

While hypoglycemia symptoms are a result of the bodily stress it induces, it requires different treatment and preventative techniques than standalone anxiety. Though anxiety and hypoglycemia are related, an anxiety disorder cannot cause hypoglycemia.

Can you be hypoglycemic without being diabetic?

Non-diabetic hypoglycemia, a rare condition, is low blood glucose in people who do not have diabetes. Clinicians usually want to confirm non-diabetic hypoglycemia by verifying classic symptoms along with a low sugar level AND these symptoms recover after eating sugar.

Why do I get shaky when I don’t eat?

When your blood sugar dips, it can leave you feeling hungry, shaky, and lightheaded. This can happen to anyone who hasn’t eaten in several hours. When blood sugar drops below normal levels, it’s called hypoglycemia.

How can I stop nighttime hypoglycemia?

The good news is that preventing low blood sugar while you sleep can be achieved with a few simple steps:

  1. Check Your Blood Sugar Before Bed. …
  2. Know the Signs of Low Overnight Blood Sugar. …
  3. Don’t Skip Dinner. …
  4. Avoid Excessive Exercise Late at Night. …
  5. Limit Alcohol at Night. …
  6. Be Prepared.

What causes nocturnal hypoglycemia in non diabetics?

In people without diabetes, hypoglycemia can result from the body producing too much insulin after a meal, causing blood sugar levels to drop. This is called reactive hypoglycemia.

Why do I wake up at 3am blood sugar?

Most diabetic patients wake up almost every night at the same time, around 3 pm, not by some noise or anything else, but because of the sudden spike in the blood sugar level. It can happen due to two reasons – the Somogyi effect or the dawn phenomenon.

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What should a hypoglycemic eat before bed?

For a bedtime snack, try these suggestions:

  • 1 apple with 1 tablespoon of peanut butter.
  • 1 ounce of cheese and a small handful of whole-grain crackers.
  • one 8-ounce glass of milk.
  • 1/2 avocado spread on a piece of whole-grain toast.
  • handful of berries with a small handful of nuts and seeds.