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Nutrition

Say no to nightcaps for better glucose and sleep

Alcohol can affect your sleep quality and make it harder to keep your glucose steady. Learn more about why it has these effects here.

Christina StiehlChristina Stiehl

Christina Stiehl,

Managing Editor

Pamela Nisevich Bede, MS, RD, CSSD, LDPamela Nisevich Bede, MS, RD, CSSD, LD

Pamela Nisevich Bede, MS, RD, CSSD, LD,

Medical Affairs

Published:

February 19, 2025

Read time:

5 minutes

A drink in the evening after a long day might make you feel relaxed, but behind the scenes, the effects vary between individuals and don’t typically result in a good night’s rest.  

Even a small amount of alcohol can reduce your sleep quality. 1 Alcohol dehydrates your body, and many drinks contain carbohydrates. Both these factors make it harder for your body to stabilise your glucose. The carbohydrates in the drink can spike your glucose, leading to a rapid drop in energy levels. This can cause restless and disrupted sleep, which means you’ll feel less refreshed the next day. 2 Increased glucose can also cause more frequent urination during the night, which can further disrupt your sleep.   

Good sleep helps glucose control  

Better sleep means less cortisol (a stress hormone) in your body during the night. And lower cortisol helps your body stay steady while you sleep. 3 Sleep is vital to recharging your mind and body.  

A healthier combination 

If you do have alcohol in the evening, have some unsalted nuts and water with your beverage. The protein and healthy fats in the nuts support steady glucose 4, and the water works to keep you hydrated. 

A final note from Lingo 

Drinking alcohol can reduce the quality of your sleep as well as make it more difficult for you to manage your glucose. Prioritise good quality sleep, hydrating your body with water and consuming foods that are rich in protein and healthy fats.  

The Lingo system is not for medical use and intended for users 18 years and older. Lingo is not intended for diagnosis or management of any disease including diabetes. 

The Lingo programme does not guarantee that everyone will achieve the same results as individual responses may vary. It is best to speak to your doctor for advice on starting any diet or exercise regime or if you have an eating disorder or a history of eating disorders. 

© 2025 Abbott. All rights reserved. The biosensor housing, Lingo, and related marks are marks of the Abbott group of companies. Other marks are the property of their respective owners.

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