Can the Mediterranean Diet Help You Sleep Better?

The Mediterranean diet—a minimally processed eating plan rich in fruits, vegetables, whole grains, nuts, legumes, and heart-healthy oils—is widely recognized as one of the healthiest diets in the world for preventing cardiovascular disease, regulating blood sugar, and supporting cognitive health. Beyond its well-documented heart and longevity benefits, emerging research suggests that adopting the Mediterranean diet may also improve sleep quality and duration.

Time and time again, there’s one eating approach that’s consistently thought to be the healthiest diet in the world: the Mediterranean diet. 

It’s rich in fruits, vegetables, nuts, whole grains, and legumes. This means it’s an eating plan that’s low in saturated fats, high in heart-healthy fats, and high in fiber. It’s often used in the context of reducing or preventing cardiovascular disease, which is the leading cause of death globally.

With so many health benefits to its name, that made us wonder—could following the Mediterranean diet also improve sleep? Ahead, we’ll explore this possibility.

What is the Mediterranean diet?

“The Mediterranean diet is a style of eating that is supposed to be based on whole or minimally processed foods,” says Michelle Yates, RD, licensed medical nutrition therapist.

There’s no specific definition or strict guidelines for this diet. “Rather, it represents an emphasis on eating high amounts of fruits, vegetables, legumes, whole grains, nuts, seeds, and heart-healthy oils; frequent amounts of fish; moderate amounts of dairy products; low amounts of sweets and red meats/meat products; and wine in moderation,” explains Yates. 

The Mediterranean diet has been long thought to be ideal for preventing and reducing symptoms of noncommunicable diseases, such as heart disease, diabetes, cancer, and cognitive impairment-related conditions, adds Yates. 

“The Mediterranean diet is a style of eating that is supposed to be based on whole or minimally processed foods.”

Michelle Yates, RD, licensed medical nutrition therapist

The Mediterranean diet emphasizes that all meals should be based on fruits, vegetables, mostly whole grains, beans, nuts, legumes, seeds, herbs, and/or spices. 

After the base of the meal is established, fish and seafood are the most typical sources of protein to be added, says Yates. Poultry, eggs, cheese, and yogurt are to be consumed moderately, and red meats and sweets are to be consumed less often.

Additionally, the Mediterranean diet can encourage lifestyle habits like being physically active and enjoying meals with others, says Yates.

Feature	Key Details & Mediterranean Diet Focus
Primary Focus	Whole, minimally processed foods high in fiber and heart-healthy fats
Core Staples	Fruits, vegetables, whole grains, legumes, nuts, seeds, herbs, spices, and olive oil
Protein Sources	Frequent fish/seafood; moderate poultry, eggs, dairy; limited red meat
Key Health Benefits	Improved cholesterol (lower LDL, higher HDL), reduced cancer risk, lower blood pressure, better glucose regulation, and enhanced cognition
Sleep Connection	Emerging research suggests potential links to improved overall sleep quality
Potential Risks	Overly rigid adherence can lead to social restriction or disordered eating patterns

How it works

The Mediterranean diet operates as an overall eating pattern rather than a strict ruleset. It prioritizes daily consumption of plant-based foods, including fruits, vegetables, whole grains, beans, nuts, seeds, and healthy fats such as olive oil. Seafood and fish serve as the primary sources of animal protein and are eaten frequently throughout the week. Poultry, eggs, cheese, and yogurt are enjoyed in moderate amounts, while red meats and sweets are reserved for rare occasions. Aside from food choices, this approach also emphasizes active living and sharing meals with others.

Pros and cons

Pros

• Promotes heart health by lowering bad cholesterol and boosting good cholesterol
• Supports blood sugar regulation and cognitive function
• May reduce the risk of several cancers and noncommunicable conditions
• Emerging research links the diet to potential improvements in sleep quality
• Flexible framework with no rigid calorie counting or complete food bans

Cons

• Overly strict adherence can foster rigid habits and social isolation
• May trigger or worsen disordered eating patterns in vulnerable individuals
• Requires meal planning and fresh food preparation, which may be higher cost or time intensive
• Not a one-size-fits-all solution for every individual health need

Who it is for

• Heart health seekers: Ideal for individuals looking to lower blood pressure, balance cholesterol, or prevent cardiovascular disease.
• Sleep quality improvers: A great option for those interested in exploring how whole food nutrition impacts rest and sleep habits.
• Whole food enthusiasts: Best suited for people who prefer a flexible, balanced lifestyle focused on real foods rather than restrictive meal rules.
• Anyone with provider guidance: Suitable for general health improvement, provided you consult a physician or registered dietitian before making major diet changes.

Mediterranean diet benefits and risks

When it comes to Mediterranean diet benefits, improved health tops the list, says Yates. Benefits include lower LDLs (bad cholesterol) and higher HDLs (good cholesterol), lower blood pressure, reduced risk of colorectal, breast, prostate, pancreas, and endometrial cancer, better glucose regulation, and improved cognition.

But she cautions that there are risks with following any kind of diet.

“Following a diet always has the potential for someone to follow it too strictly and feel that they are never able to go ‘off plan,’ to the point of sacrificing their social life or the ability for them to be spontaneous,” says Yates. “This can develop into eating disorders/disordered eating (including binge eating episodes when the dieter is fatigued by the diet and wants a release).” 

For those who already struggle with disordered eating or are prone to an eating disorder, following a diet can prompt them to develop a full-fledged clinical problem with food, says Yates. 

She also points out that many people think the Mediterranean diet is automatically the healthiest diet given the benefits associated with heart health. “It’s important to note that it may not be the best diet for everyone, though,” says Yates.

With that in mind, Yates says you should always consult your healthcare provider about starting a new diet. It’s also a good idea to reach out to a registered dietician/nutritionist for guidance.

“They are your best ally for creating and setting realistic, safe, and healthy goals for your nutrition,” says Yates.

Mediterranean diet and sleep

With all those potential health benefits, we had to know: Could the Mediterranean diet help you catch more Z’s? Emerging research shows it might just do that. 

In a recent review of 17 (mostly) observational studies published in 2022, researchers found a potential link between the Mediterranean diet and increased sleep quality—though there’s still more research needing to be done on this particular topic, shares Yates.

In other words? It likely can’t hurt to see if your sleep improves after adopting the Mediterranean diet—and you can keep a sleep journal to see if you indeed sleep better.

FAQs

What are the benefits of the Mediterranean diet?

As Yates details, benefits include lower LDLs (bad cholesterol) and higher HDLs (good cholesterol), lower blood pressure, reduced risk of colorectal, breast, prostate, pancreas, and endometrial cancer, better glucose regulation, and improved cognition. Emerging research shows the Mediterranean diet may potentially lead to better sleep quality as well.

What are the pros and cons of the Mediterranean diet?

The pros are the health gains you might experience, which can head off diseases down the road. But the big con, which is true of any diet, is that following a strict eating plan may leave you feeling frustrated and can even develop into an eating disorder/disordered eating.  

What are the top 10 foods in the Mediterranean diet?

There’s no official top 10 food list for the Mediterranean diet. As Yates notes, “All foods can benefit us in different ways—it just depends on the circumstance.” But in general, foods like fruits, vegetables, whole grains, beans, nuts, legumes, seeds, herbs, spices, fish, and seafood are tent poles of this way of eating.

Does the Mediterranean diet help with weight loss?

While weight loss is not the primary focus of the Mediterranean diet, many people naturally lose weight when adopting it. Because the eating plan emphasizes high-fiber whole foods, lean proteins, and healthy fats, it helps promote satiety and keeps blood sugar stable. However, results depend on overall caloric intake and individual lifestyle factors.

Can you drink alcohol on the Mediterranean diet?

Yes, moderate alcohol consumption is traditionally included in the Mediterranean diet, most notably red wine enjoyed alongside meals. Experts define moderation as up to one glass per day for women and up to two glasses per day for men. Those who do not consume alcohol do not need to start, as the benefits of the diet come primarily from its nutrient-dense plant foods and healthy fats.

How does the Mediterranean diet affect sleep duration?

Emerging research indicates that the nutrients found in a Mediterranean eating pattern—such as antioxidants, magnesium, and healthy fats—may support the body’s natural circadian rhythm and melatonin production. While studies specifically link the diet to higher sleep quality, more clinical trials are needed to determine if it directly increases total sleep duration.

What are easy ways to start the Mediterranean diet?

Begin by making small, sustainable swaps rather than overhauling your entire kitchen overnight. You can substitute butter with extra virgin olive oil, incorporate one or two meatless meals featuring beans or lentils each week, snack on a handful of raw nuts instead of processed snacks, and add an extra serving of vegetables to your lunch and dinner.

Another popular eating plan is the keto diet. Learn how the keto diet impacts health and sleep.