Sleep Hygiene and Nutrition: Small Habits That Can Improve Your Sleep

by Cindra Holland, RDN,LDN, MB-EAT-QI, WNHC

Do you find yourself lying awake at night, waking frequently during the night, or feeling tired despite spending enough time in bed?

Sleep affects nearly every aspect of health, including energy levels, mood, appetite regulation, stress management, blood sugar control, heart health, immune function, and overall well-being. When sleep suffers, it can become harder to make nutrition choices that support your health goals. Many people notice increased cravings, stronger hunger signals, lower energy for meal preparation, and greater difficulty managing stress after poor sleep.

The good news is that improving sleep often starts with small, realistic habits that support your body's natural sleep-wake cycle.

What Is Sleep Hygiene?

Sleep hygiene refers to the daily habits and environmental factors that help support healthy, restorative sleep.

Think of sleep hygiene as creating the best possible conditions for your brain and body to rest and recover. While there is no single solution that works for everyone, research consistently shows that healthy sleep habits can improve both sleep quality and overall health.

Why Sleep Matters for Nutrition

Sleep and nutrition influence one another every day. Both eating patterns and sleep are influenced by the body's natural circadian rhythms, which help regulate when we feel awake, sleepy, hungry, and satisfied. Consistent daily routines may help support both healthy eating habits and quality sleep.

When sleep is inadequate, hormones involved in hunger and fullness regulation can become disrupted. Poor sleep has been associated with increased appetite, more food cravings, reduced energy levels, and a greater tendency to choose highly processed convenience foods.

On the other hand, nourishing your body consistently throughout the day may support energy balance, blood sugar regulation, and healthy sleep patterns.

As a Registered Dietitian Nutritionist and trained mindfulness practitioner (MB-EAT-QI), I often help clients explore how sleep, stress, eating patterns, and overall health are connected. Many people focus only on food choices, but factors such as stress, sleep quality, eating behaviors, and daily routines can play an important role in long-term wellness. Mindfulness-based approaches can help increase awareness of these patterns and support sustainable lifestyle changes.

1. Keep a Consistent Sleep Schedule

Your body operates on an internal clock known as the circadian rhythm.

Going to bed and waking up at approximately the same time each day helps regulate this rhythm and can make it easier to fall asleep and wake feeling refreshed.

Try to:

• Maintain a regular bedtime

• Wake up at a consistent time, even on weekends

• Aim for 7–9 hours of sleep per night for most adults

Small improvements in consistency can make a meaningful difference over time.

2. Create a Wind-Down Routine

Your brain benefits from a transition period between daytime activities and sleep.

Creating a calming bedtime routine signals to your body that it is time to rest.

Consider:

• Reading a book

• Gentle stretching

• Taking a warm shower or bath

• Deep breathing exercises

• Listening to calming music

• Practicing mindfulness or meditation

Even 15–30 minutes of intentional relaxation can help prepare the body for sleep.

3. Practice Mindfulness Before Bed

Stress and racing thoughts are among the most common reasons people struggle to fall asleep.

Mindfulness is the practice of paying attention to the present moment with curiosity and without judgment. Research suggests that mindfulness practices may help reduce stress, improve emotional regulation, and support better sleep quality.

Mindfulness is not about stopping thoughts. Instead, it teaches us to notice thoughts without becoming overwhelmed by them.

Simple mindfulness practices before bed may include:

• Taking five slow, deep breaths

• Performing a brief body scan

• Practicing gratitude journaling

• Observing thoughts without judgment

• Focusing on the sensation of breathing

These techniques may help calm the nervous system and create a smoother transition into sleep.

4. Put the Phone Away Earlier

Many people use electronic devices right up until bedtime.

However, screens can expose us to bright light and stimulating content that may interfere with the body's natural sleep signals.

Consider:

• Turning off phones, tablets, and computers 30–60 minutes before bed

• Using "Do Not Disturb" mode

• Keeping your phone across the room instead of next to your bed

Reducing nighttime screen exposure may help support better sleep quality.

5. Consider Your Evening Nutrition Habits

What and when you eat may influence how comfortably you sleep.

Avoid Large Meals Close to Bedtime

Large meals immediately before bed may increase discomfort, indigestion, or reflux symptoms for some individuals.

When possible:

• Finish larger meals several hours before bedtime

• Choose lighter foods if eating later in the evening

• Pay attention to foods that personally affect your sleep

Be Mindful of Caffeine

Caffeine can remain active in the body for several hours.

If sleep is a concern, consider limiting coffee, energy drinks, caffeinated tea, and other sources of caffeine later in the day.

Limit Alcohol Near Bedtime

Although alcohol may initially cause drowsiness, it often disrupts sleep quality later in the night and may contribute to more fragmented sleep.

6. A Small Bedtime Snack May Help Some People

Going to bed overly hungry can make it difficult for some people to fall asleep or stay asleep. If hunger is present before bed, a light snack may be helpful. The goal is not a large meal, but rather a small, balanced snack that provides both carbohydrate and protein.

Examples may include:

• Turkey roll-up with whole grain crackers

• Half of a turkey sandwich on whole grain bread

• Greek yogurt with berries

• Cottage cheese with fruit

• Milk or soy milk with whole grain crackers

• Apple slices with string cheese

• Oatmeal made with milk

• A balanced protein bar containing both protein and carbohydrates

For some individuals, particularly those with acid reflux (GERD), nighttime eating may worsen symptoms. If you experience reflux, heartburn, or discomfort after eating before bed, discuss individualized recommendations with your healthcare provider or Registered Dietitian Nutritionist.

Pairing protein with carbohydrates may help promote fullness, provide steady energy, and support stable blood sugar levels overnight. However, nutrition needs vary from person to person, and what works well for one individual may not be appropriate for another.

7. Move Your Body During the Day

Regular physical activity supports overall health and has been associated with improved sleep quality. Movement does not have to be intense to be beneficial.

Examples include:

• Walking

• Gardening

• Stretching

• Strength training

• Recreational activities

• Active household chores

Finding enjoyable forms of movement often leads to greater consistency.

8. Create a Sleep-Friendly Environment

Your bedroom environment can significantly influence sleep quality.

Consider creating a space that is:

• Cool

• Dark

• Quiet

• Comfortable

Blackout curtains, white noise machines, fans, or eye masks may be helpful depending on your individual needs and preferences.

The Bottom Line

Improving sleep does not require perfection.

Small habits practiced consistently—such as maintaining a regular sleep schedule, reducing screen time before bed, practicing mindfulness, eating balanced meals throughout the day, and choosing a light bedtime snack when hungry—can support better sleep over time.

Sleep is one of the foundations of health, alongside nutrition, movement, and stress management. By caring for all of these areas together, you can build a stronger foundation for long-term wellness.

Resources

• National Sleep Foundation

• Harvard Health Publishing

• Centers for Disease Control and Prevention (CDC)

• National Center for Complementary and Integrative Health (NCCIH)

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