Sleep Hygiene

In the wellness world, sleep hygiene is gaining the spotlight much like gut health did in recent years—and for good reason. Our sleep quality is fundamental to our health, forming one of the major pillars alongside nutrition, hydration, movement, emotional wellbeing and connection. But why is sleep so important, and how can we optimise it to improve our health?

Understanding Our Circadian System

At the heart of our sleep patterns lies the circadian rhythm, an internal clock that regulates our sleep-wake cycle over a 24-hour period. This biological rhythm is influenced by external cues such as light and temperature, helping to synchronise our bodies with the natural environment. The circadian system plays a crucial role in determining our sleep quality and timing, affecting everything from hormone release to body temperature and metabolism.

Disruptions to our circadian rhythm, such as irregular sleep schedules or excessive exposure to artificial light, and even a diet high in processed foods can lead to sleep disturbances and have a negative impact on our overall health.

Why is Sleep So Important?

Sleep is not just a time for rest; it is a crucial period for restoration and healing. During sleep, our bodies repair tissues, muscles, and organs, and boost the immune system, helping us recover from illness or injury. Poor sleep is linked to an increased risk of chronic health conditions such as obesity, heart disease, diabetes, and stroke. It plays a role in how we age and regulating hormones that control appetite and metabolism and not just that, sleep is essential for memory consolidation, learning, and overall brain function. It helps us process and retain new information, which is crucial for academic and work performance. Adequate sleep enhances concentration, productivity, problem-solving skills, and creativity – all of this shown in many research articles. 

Sleep also plays a vital role in emotional well-being and mood regulation. It helps maintain emotional balance, while lack of sleep can lead to irritability, stress, anxiety, mood swings, and emotional instability.

What Influences Sleep Quality?

Several factors can influence sleep quality, including:

• Irregular Sleep Schedule: Going to bed and waking up at different times can disrupt your body’s internal clock.
• Blue Light Exposure: Screens from phones, tablets, and computers emit blue light that can interfere with melatonin production – melatonin is an important hormone that regulates sleep and mood 
• Sleep Environment: A noisy or bright environment can hinder sleep.
• Diet and Lifestyle: Excessive caffeine or alcohol consumption, especially close to bedtime, can affect sleep
• Stress: Stress plays a big role in disrupted sleep patterns.
• Physical Factors: Pain, medications, heavy snoring, sleep disorders, and certain foods can also impact sleep quality.

What Does Good Sleep Look Like?

Good sleep involves a balanced combination of REM, deep, and light sleep stages. Each stage plays a unique role in our health. However, frequent waking, taking ages to fall asleep, waking throughout the night or at 3 a.m., mouth breathing, waking unrested and heavy snoring are not normal and may indicate deeper health issues that impact sleep.

How long should you sleep for?

For optimal health, teenagers aged 14 to 17 need eight to ten hours of sleep, adults aged 18 to 64 require seven to nine hours, and older adults aged 65 and above should aim for seven to eight hours of sleep each night.

How to Optimise Your Sleep

Here are some tips to improve your sleep hygiene and overall health

• Maintain a Regular Sleep Schedule: Go to bed and wake up at the same time every day, even on weekends.
• Create a Relaxing Bedtime Routine: Engage in calming activities like reading, drawing, taking a warm bath, or practicing relaxation techniques.
• Create a Sleep Sanctuary: Ensure your bedroom is dark, quiet, and cool. Consider using red light or salt lamps for light and calming music for sound.
• Limit Screen Exposure: Avoid screens at least an hour before bedtime to prevent blue light interference or use blue light blocker glasses if you are an in bed scroller – be mindful of where you buy your blue light blocker glasses not all are created equally. 
• Watch Your Diet: Avoid heavy meals, caffeine, and alcohol close to bedtime. Infact you should have your last coffee around 12pm for the best chance at a good quality sleep 
• Exercise Regularly: Regular physical activity can promote better sleep, but avoid vigorous exercise close to bedtime – its best to exercise as close to waking as possible 
• Manage Stress: Practice relaxation techniques such as yoga, meditation, and mindfulness.
• Seek Natural Light Exposure: Exposure to direct sunlight right after waking for 3-10mins helps regulate your sleep-wake cycle.
• Enjoy Calming Snacks and Beverages: Consider chamomile tea, cherries, bananas, and almonds before bed.
• When to Seek Help: If you consistently have trouble sleeping, consider consulting a healthcare professional to identify any underlying issues like a Naturopath who is trained in lifestyle medicine. 

By prioritising sleep hygiene, we can  enhance our health and well-being. 

*Rachel Peterson is a Modern Medicine Woman, owner of Island Healing and a Degree Qualified Naturopath

Photo: Quin Stevenson