What would cause a 75 yr old female to wake in the middle of night with violent shaking and being cold?

Potential Causes of Violent Shaking and Coldness in a 75-Year-Old Female Waking Up at Night:

1. Hypoglycemia (Low Blood Sugar):

- Common in elderly individuals taking insulin or certain medications.

- Symptoms include sweating, shaking, hunger, confusion, and anxiety.

2. Hypothermia (Low Body Temperature):

- Can occur in elderly adults who have difficulty regulating body temperature.

- Symptoms include shivering, confusion, drowsiness, and loss of coordination.

3. Nocturnal Myoclonus:

- Involuntary muscle spasms while falling asleep or waking up.

- May be related to neurological conditions, thyroid issues, or medication side effects.

4. Panic Attacks or Anxiety:

- Intense episodes of fear and physical symptoms such as shaking, sweating, and chills.

- Can be triggered by stress, sleep disturbances, or underlying mental health conditions.

5. Hyperthyroidism:

- Overactive thyroid gland that speeds up metabolism.

- Symptoms include weight loss, nervousness, increased heart rate, and sweating.

6. Medication Side Effects:

- Some medications can cause shaking and coldness as side effects, especially if overdosed or taken incorrectly.

7. Medical Conditions:

- Certain neurological disorders, such as Parkinson's disease, can cause involuntary movements.

- Heart conditions, infections, or electrolyte imbalances may also lead to shaking and chills.

8. Sleep Disorders:

- Sleep apnea or other sleep-related issues can cause fragmented sleep and subsequent shivering.

9. Environmental Factors:

- Cold room temperature or poor insulation can lead to shivering and feeling cold.

Because of many potential and diverse causes, it is essential that you take the female to a doctor to determine the exact reason as soon as possible.