How Sleep Impacts Metabolic Health

Written by:

Dr. Erin Hendriks

Board-Certified Physician

Sleep plays a vital role in shaping our metabolic well-being, and it's not just about feeling rested and alert. When we explore the world of sleep and its profound effects on our metabolism, we discover a web of connections that link the quality and quantity of our slumber to our overall health. 

Let's delve into some fundamental ways the land of dreams impacts our metabolic health, illustrating how sleep is more than just a nightly ritual; it's a cornerstone of our well-being.

Insulin Resistance: Lack of sleep, especially chronic sleep deprivation, can lead to insulin resistance. Insulin is a hormone that helps regulate blood sugar. When the body becomes less sensitive to insulin, it can result in higher blood sugar and an increased risk of weight gain, diabetes, and metabolic liver disease.1 

Appetite Regulation: Sleep plays a crucial role in regulating hormones involved in appetite and 

metabolism. Inadequate sleep can alter hormones like leptin (which signals satiety) and ghrelin (which signals hunger), leading to increased appetite and potentially overeating. Sleep deprivation can also increase cravings for sugary, and fatty foods.1,2 

Cortisol: Sleep deprivation is a stress on the body that can lead to elevated cortisol levels. Cortisol can increase fat storage, particularly in the abdominal area.3,4

Liver Disease: Sleep disturbances have been linked to metabolic-associated steatotic liver disease (MASLD), a condition characterized by fat accumulation in the liver.5 

Blood Pressure: Chronic sleep deprivation can raise blood pressure, increasing the risk of hypertension and its associated metabolic complications.6

It's important to note that individual sleep needs vary, but most adults generally require 7-9 hours of quality sleep per night for optimal metabolic health. Consistently prioritizing good sleep hygiene, such as maintaining a regular sleep schedule, creating a comfortable sleep environment, and avoiding stimulants too close to bedtime, can be crucial in maintaining metabolic health and reducing the risk of metabolic disorders.

*References available with PDF download*

Written by:

Dr. Erin Hendriks

Board-Certified Physician