GLP-1 Medications and Why Lifestyle Matters – Part 2 – Sleep, Stress Management, Avoidance of Risky Substances, Connectedness

July 30, 2026 - Behnaz Atree, MD

GLP-1 medications (like semaglutide and tirzepatide) are powerful tools, but they work best as part of a bigger picture.  It is important to optimize all 6 pillars of lifestyle – nutrition, physical activity, sleep, stress, avoidance of risky substances and connectedness – as neglecting any of them can decrease the drug’s efficacy, worsen side effects and may contribute to weight regain after the medications are discontinued.   We discussed why Nutrition and Physical activity are important and how to optimize them in our last blog.  In this month’s blog we will discuss the other 4 pillars.  We will also discuss how to handle side effects and some overall practical tips while on these medications.

Sleep

Sleep deprivation disrupts hormones responsible for appetite regulation.  It increases the hunger hormone ghrelin and decreases the satiety hormone leptin.  This creates a hormonal environment that increases appetite and opposes GLP-1’s appetite-suppressing effects.

Poor sleep also increases insulin resistance, which blunts the glycemic effects of GLP-1 therapy.

Lack of sleep also tends to impair decision-making and self-regulation which are vital to make sustainable habit changes for success on these medications.

Practical tips:

• Aim for 7-9 hours most nights.
• Keep a consistent sleep and wake time, even on weekends.
• Limit caffeine after early afternoon.
• If nausea or reflux disrupts sleep, try eating your last meal of the day 2-3 hours before bed and avoid lying flat right after eating.

Stress Management

Chronic stress can have an effect on metabolism and everyday behaviors undermining GLP-1 therapy.  It activates the hypothalamus-pituitary-adrenal axis and can lead to an increase in cortisol levels.  Cortisol influences blood sugar regulation, fat storage patterns and inflammation – all things GLP-1 medications are working on.  Elevated cortisol is also associated with increased appetite, as well as a drive towards sweet, fatty and salty “comfort foods”.

Discussing this with your provider and learning ways to manage stress are vital while on these medications and beyond.

Stress management techniques can include:

• Regular physical activity
• Mindfulness meditation
• Deep breathing exercises
• Yoga
• Tai-chi
• Time spent in nature
• Journaling
• Creative activities
• Cognitive behavioral strategies.

Avoidance of Risky Substances

Alcohol poses substantial risks during GLP-1 therapy.

Alcohol worsens nausea and gastroesophageal reflux, which are among the most common GLP-1 side effects, making it more difficult to tolerate the medications.

Alcohol contributes to dehydration, decreasing the already-reduced thirst perception from GLP-1 medications.  This can even increase the risk of acute kidney disease.

Alcohol provides empty calories with very little nutritional value.   As fewer calories are being taken in, this can lead to micronutrient deficiencies.

So, alcohol and GLP-1 medications do not mix well.

• Moderating or avoiding alcohol can support both medication tolerance and long-term metabolic health.

Connectedness

Social connections can help with increasing accountability and decreasing stress which can be extremely beneficial while on GLP-1 medications.

Social support and networks can help with maintaining regular physical activity, navigating events centered around food, staying motivated when weight loss plateaus, and developing sustainable habits. 

Support can come from:

• Family members
• Friends
• Walking or exercise groups
• Community Organizations
• Your medical team

Managing Side Effects

When taking these medications, some people experience side effects such as nausea, constipation, diarrhea and heartburn.  These side effects can be managed with nutritional and lifestyle strategies but always contact your provider if you experience any of the above side effects.

Nausea (more common when starting the medication or increasing the doses as the body needs time to adjust)

• Eat small meals every 3-4 hours. An empty stomach can make nausea worse, so do not skip meals
• Eat slowly and stop when comfortably full. Mindful eating can help you recognize when you’re full.
• Choose easy to digest foods – avoid fatty, greasy, fried, spicy and sugary foods.
• Try ginger and peppermint – Ginger (fresh, chews or tea) and peppermint (tea) can help with nausea.

Constipation

• Drink at least 8 cups of water daily.
• Increase fiber gradually to avoid bloating and discomfort. Eat a mix of soluble fiber (oats, apples, beans) and insoluble fiber (whole grains, leafy greens, nuts) to keep stools soft and easy to pass.
• Move your body – Regular physical activity such as daily 20-30 minute walks, light stretching, or yoga can ease constipation.

Diarrhea

• Avoid triggers – high-fat, greasy, and spicy foods can irritate the gut and worsen diarrhea.
• Replenish fluids – drink 8 glasses of water daily.
• Focus on soluble fiber – Foods like oats, bananas and apples help absorb water and firm up stools.

Heartburn/reflux

• Eat small portions. Do not lie down for 2-3 hours after eating.
• Limit spicy, acidic and fatty foods.

Practical Tips While on GLP-1 Medications

Try these healthy habits that will set you up for long-term success:

• Meal prepping – Save time and stay on track by planning and prepping meals in advance.  Cook in batches, store meals for the week, freeze extras if needed, and keep healthy snacks like nuts, fruits, and protein bars on hand.  This will help to keep up with regular meals.
• Consistent mealtimes – Aim to eat regularly throughout the day and avoid skipping meals.  This can keep blood sugar stable and prevent overeating later.  This can help ensure you are eating enough.
• Balanced meals and snacks – Eating balanced meals and snacks, including protein, fruits, vegetables, healthy fats, and whole grains can help ensure you are meeting your nutrient needs.
• Mindful eating – Paying full attention to the experience of eating and noticing flavors, textures, and how you feel as you eat can help you be in tune with your hunger and fullness signals.
• Keep moving – resistance training in particular helps preserve muscle mass.
• Sleep 7-9 hours /night – practice good sleep hygiene.
• Manage stress – Find what works: deep breathing, walking, meditation, journaling, or talking with someone.
• Stay connected – Share your goals, join a support group, or find an accountability partner.
• Limit alcohol.
• Stay in regular contact with your care team.

GLP-1 medications work by regulating appetite, satiety, gastric emptying, and glucose metabolism.  Lifestyle medicine complements these effects by addressing daily behaviors, environmental factors, and providing the knowledge and skills that support long-term health.  Integrating both treats the whole person and helps to move toward improved metabolic health, resilience, and overall well-being.

This content is for general informational purposes and isn’t a substitute for medical advice.  Talk to your healthcare provider about your specific treatment plan and any side effects you could be experiencing.

Sources:

Associations of Short Sleep Duration With Appetite-Regulating Hormones and Adipokines: A Systematic Review and Meta-Analysis.

Circulation. 2024. Laddu D, Neeland IJ, Carnethon M, et al.

Behnaz Atree, MD

Dr. Behnaz Atree has been a practicing Primary Care physician in Raleigh, NC, for over 20 years. Dr. Atree has become certified in Lifestyle Medicine in 2022 as well as Health and Wellness Coaching in 2023. She is excited to integrate her experience in Internal Medicine with her training in Lifestyle Medicine and Health Coaching to provide evidence-based, therapeutic lifestyle interventions through Carolina Lifestyle Medicine.

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