Miya Pearson
Type 1 diabetes can have a significant impact on sleep quality, and this can affect people of all ages. Research has shown that people with type 1 diabetes experience higher rates of sleep disturbances than those without the condition. These disturbances can negatively affect blood sugar control, leading to a vicious cycle of poor sleep and unstable blood sugar levels.
There are several reasons why type 1 diabetics may experience disrupted sleep. For example, frequent urination due to high blood sugar, hunger and thirst caused by hyperglycemia, and symptoms of hypoglycemia such as tremors, sweating, and confusion can all interrupt sleep. Additionally, conditions like restless leg syndrome and sleep apnea are more common in people with type 1 diabetes, further contributing to sleep disturbances.
The impact of poor sleep on blood sugar control is significant. Studies have found that people with type 1 diabetes who experience disrupted sleep tend to have higher HbA1c levels and require more insulin the following day. This highlights the importance of addressing sleep issues in people with type 1 diabetes to improve their overall health and well-being.
| Characteristics | Values |
|---|---|
| Diabetic control | Lack of sleep can negatively impact diabetic control, resulting in a vicious cycle |
| Sleep quality | People with type 1 diabetes tend to have poorer sleep quality than those without |
| Sleep duration | Adults with type 1 diabetes who slept less than 6.5 hours per night had higher A1C levels than those who slept more than 6.5 hours |
| Sleep disturbances | People with type 1 diabetes experience higher rates of sleep disturbances than those without |
| Sleep and glycemic control | Sleep disturbances have been linked to poorer glycemic control in people with type 1 diabetes |
| Nocturnal hypoglycemia | Nocturnal hypoglycemic events are common in people with type 1 diabetes and can disrupt sleep |
| Continuous glucose monitoring | Using a continuous glucose monitor (CGM) can help detect nighttime hypos and hypers, but frequent alarms can disrupt sleep |
| Hybrid closed loops | Hybrid closed-loop systems can reduce the number of decisions and calculations needed and improve sleep by reducing nighttime wake-ups |
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What You'll Learn
How does type 1 diabetes affect sleep?
Type 1 diabetes can affect sleep in a number of ways. Firstly, people with type 1 diabetes may experience excessive urination due to raised blood sugar levels, causing them to wake up multiple times during the night to go to the bathroom. Additionally, high blood sugar levels can lead to increased thirst and hunger, which can also disturb sleep. On the other hand, if blood sugar levels drop during the night, this can cause symptoms such as tremors, excessive sweating, confusion, nausea, dizziness, and irritation, and people who experience hypoglycemic episodes at night may find it difficult to fall back asleep even after correcting their blood sugar levels.
People with type 1 diabetes are also more likely to experience restless leg syndrome, a condition that causes constant discomfort in the legs, making it difficult to sleep. Furthermore, diabetes-related stress and anxiety can also impact sleep quality. Alarms from continuous glucose monitors or insulin pumps can disrupt sleep, and individuals with type 1 diabetes may need to wake up during the night to treat a hypo or high blood glucose levels.
Research has shown that people with type 1 diabetes who experience disrupted sleep tend to have higher HbA1c levels and require more insulin the following day. Poor sleep quality can lead to various issues such as daytime drowsiness, difficulty concentrating, increased risk of depression, memory problems, increased carbohydrate cravings, weight gain, and poor glycemic control. Therefore, it is essential for individuals with type 1 diabetes to prioritize their sleep and seek help if they are experiencing sleep disturbances.
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What happens to blood glucose when you're asleep?
People with type 1 diabetes experience higher rates of sleep disturbances than people without diabetes. This can be due to alarms, changing glucose levels, or stress and anxiety. These disturbances can negatively impact glycemic control and diabetes management, as well as psychosocial and cognitive outcomes.
Your blood glucose levels continue to rise and fall while you sleep, and this can be due to various reasons. For example, if you've eaten or exercised late, or taken too much insulin. This can result in nighttime hypos, which some people may not be aware of.
The dawn phenomenon, which occurs around 4 am-8 am, is when blood glucose rises due to the release of hormones that cause the liver to release glucose. This can also cause a short period of insulin resistance, affecting how the body uses insulin to turn blood glucose into energy.
- Check your blood glucose levels before going to sleep and make any necessary corrections.
- Eat your last meal of the day earlier so that your blood glucose is mostly stable by bedtime.
- Avoid caffeine, alcohol, or eating a lot right before bed.
- Try to go to bed and wake up at the same time every day, including weekends.
- Get regular physical activity during the day.
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Can you have hypos at night?
Yes, type 1 diabetics can experience hypos at night, a condition known as nocturnal hypoglycaemia. Nocturnal hypoglycaemia is a common occurrence in people with type 1 diabetes, especially those who treat their diabetes with insulin. It can also occur in people who take oral anti-diabetic drugs.
Nocturnal hypoglycaemia happens when blood glucose levels fall below 70 mg/dL while sleeping. This can be dangerous and even life-threatening if left untreated. Symptoms of nocturnal hypoglycaemia include:
- Trembling or shaking
- Sweating
- Clammy skin
- Changes in breathing
- Nightmares
- Sleep disturbances
- Waking up with a headache
- Feeling unusually tired
To prevent nocturnal hypoglycaemia, it is recommended to test blood glucose levels before bed and keep them above 6.5 mmol/L. Taking some carbohydrates before bed can also help prevent sugar levels from dropping too low during sleep. It is also important to be aware of factors that can increase the risk of nocturnal hypoglycaemia, such as skipping meals, exercising before bedtime, or drinking alcohol before bed.
If you or someone you know is experiencing symptoms of nocturnal hypoglycaemia, it is important to seek medical advice.
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How can you improve your sleep if you have type 1 diabetes?
Type 1 diabetes can impact sleep quality, and a lack of sleep can, in turn, affect diabetes. Here are some tips to improve your sleep if you have Type 1 diabetes:
General Tips
- Create a proper sleep schedule by going to bed and waking up at the same time each day. Aim for about 8 hours of sleep.
- Avoid caffeine, smoking, or any stimulants that keep you awake, especially close to bedtime.
- Exercise during the day and avoid long naps so that your body is tired by the time you go to bed.
- Avoid using electronic devices for at least an hour before bedtime.
- Make sure the room is dark and at a comfortable temperature.
- If you have pets that might disturb you, put them to sleep before you retire and keep them out of your room if they are too disruptive.
Type 1 Diabetes-Specific Tips
- Check your blood glucose levels before you go to sleep so that you can correct them beforehand.
- Maintain a diet plan that stabilises your blood glucose levels at night. Try eating your last meal of the day earlier so that your blood glucose is mostly stable by the time you go to bed.
- Chart any episodes of hypoglycaemia or hyperglycaemia at night and discuss them with your doctor.
- Ensure your continuous glucose monitoring (CGM) alarm is on to inform you of any issues.
- Be mindful of things that can cause nighttime hypoglycaemia, such as excessive insulin use, alcohol consumption, or physical activity right before sleep.
- Consult your doctor about adjusting your CGM alarms to minimise sleep disruption.
- Try using a hybrid closed-loop (HCL) system, which delivers insulin based on glucose readings from a sensor, reducing the number of decisions and calculations you need to make.
- Try to reduce anxiety by talking to your diabetes healthcare team or your GP, who may refer you for talking therapies.
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How does type 1 diabetes in children affect their sleep?
Type 1 diabetes can affect children's sleep in several ways, and the subsequent lack of sleep can, in turn, affect their diabetes control, creating a vicious cycle.
Alarms and Disruptions
One of the most common issues is the disruption caused by alarms from continuous glucose monitors (CGMs) and insulin pumps. While these devices are essential for managing blood glucose levels, the frequent alarms can interrupt sleep for both the child and their caregivers. To minimise disruptions, it is recommended to adjust the alarm settings for high and low blood glucose levels with medical advice and support.
Hypos and High Blood Glucose
Children with type 1 diabetes may experience nocturnal hypoglycaemic (hypo) episodes, which can cause them to wake up or even sleep through the episode without realising. Hypos can result in symptoms like tremors, excessive sweating, confusion, nausea, dizziness, and irritation. On the other hand, high blood glucose levels can cause children to wake up multiple times during the night to urinate. These disruptions can lead to fragmented sleep and affect the overall quality of sleep.
Restless Leg Syndrome
Additionally, people with diabetes are more prone to restless leg syndrome (RLS), a condition characterised by constant discomfort in the legs during sleep, which can be relieved only by moving the legs. This syndrome further contributes to disturbed sleep patterns.
Psychological Factors
The management of type 1 diabetes can be stressful and anxiety-inducing for both children and their caregivers. Worry or anxiety about blood glucose levels, insulin administration, and potential complications can affect sleep quality.
Glycaemic Control
Disturbed sleep patterns in children with type 1 diabetes have been linked to higher HbA1c levels and increased insulin requirements the following day. Poor sleep quality can also lead to daytime drowsiness, difficulty concentrating, increased risk of depression, poor memory, carbohydrate cravings, weight gain, and poor glycemic control.
Social Jetlag
Inconsistent sleep timing, such as staying up late on weekends and getting up early on weekdays, can result in social jetlag, negatively impacting glycemic control. Maintaining a consistent sleep schedule, even on weekends, is crucial for children with type 1 diabetes to promote better glycemic control and overall health.
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Frequently asked questions
Research suggests that people with type 1 diabetes experience higher rates of sleep disturbances than people without diabetes. However, there is no evidence to suggest that type 1 diabetics need more sleep. In fact, excessive sleeping has been linked to hyperglycemia in adolescents with type 1 diabetes.
Type 1 diabetes can disturb sleep due to various reasons, including alarms from continuous glucose monitors or insulin pumps, needing to wake up to treat a hypo, high blood glucose causing frequent urination, and worry or anxiety about type 1 diabetes management.
Yes, research has found that people with type 1 diabetes who experience disrupted sleep tend to have higher HbA1c levels and require more insulin the following day. Poor sleep quality can lead to daytime drowsiness, difficulty concentrating, increased risk of depression, poor memory, increased cravings for carbohydrates, weight gain, and poor glycemic control.
Here are some tips to improve sleep for people with type 1 diabetes:
- Create a proper sleep schedule by going to bed and waking up at the same time each day, aiming for about 8 hours of sleep.
- Avoid caffeine, smoking, or other stimulants, especially close to bedtime.
- Exercise during the day and avoid long naps to ensure you are tired by bedtime.
- Avoid using electronic devices at least one hour before bedtime.
- Maintain a comfortable temperature in the bedroom and ensure it is dark and quiet.
- Check your blood glucose levels before going to sleep and adjust your diet or insulin dosage as needed.
- Consider using a hybrid closed-loop system that delivers insulin based on glucose readings from a sensor, reducing the need for manual calculations and nighttime wake-ups.
