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Lesson 3 – Sleep and Restoration

Course Completion

Introduction to Functional Health for Night Shift Workers
Lesson unavailable. You must complete all previous lessons and quizzes before you start this lesson.
Lesson unavailable. You must complete all previous lessons and quizzes before you start this lesson.
Lesson unavailable. You must complete all previous lessons and quizzes before you start this lesson.
Lesson unavailable. You must complete all previous lessons and quizzes before you start this lesson.
Lesson unavailable. You must complete all previous lessons and quizzes before you start this lesson.
Lesson unavailable. You must complete all previous lessons and quizzes before you start this lesson.

Lesson 3 – Sleep and Restoration

Lesson 3 of our Introduction to Functional Health for Night Workers course explores sleep and restoration – crucial aspects of night shift work. We examine how sleep disruption affects health at a cellular level, including increased risks for cardiovascular disease and diabetes. The lesson covers key aspects of sleep science including the glymphatic system, hormone regulation, and sleep cycles, while providing practical strategies for better sleep quality. Learn how functional medicine’s holistic approach connects sleep with nutrition, stress management, and overall health to help night shift workers build resilience and maintain long-term vitality.

[0:01] Let’s dive into one of the biggest challenges of working night shifts – sleep and restoration. Sleep isn’t just about feeling rested, it’s when your body repairs and regenerates. I’m sure you know your sleep habits directly affect your health, so let’s get to it and start with some facts.

[0:21] Studies show that night shift workers are 40% more likely to develop cardiovascular disease and have a 20% increased risk of diabetes compared to daytime workers. This isn’t just about the hours you sleep, it’s about how sleep disruption affects your body on a cellular level.

[0:43] Sleep regulates hormones like cortisol, insulin and melatonin – all of which influence your metabolism, stress response and immune system. Functional medicine looks at these connections holistically. For example, poor sleep increases inflammation, a root cause of many chronic conditions.

[1:07] But here’s the Good News – by improving the quality of your rest and taking care of your whole system, you can counteract many of these risks.

[1:21] Did you know that your brain has its own detox system called the glymphatic system? This system is most active during deep sleep, clearing out toxins like beta amyloid which is linked to Alzheimer’s disease. For shift workers, this process can become less efficient, so prioritizing deep uninterrupted sleep is essential not just for feeling awake, but for long-term brain health.

[1:50] You’ve probably heard about blackout curtains and white noise machines, so let’s go beyond that. Eating late before sleep can disrupt your circadian rhythm. Research suggests that having your last meal preferably 3 hours before sleep helps regulate insulin and promotes better rest. Offer anti-inflammatory foods like fatty fish, turmeric and leafy greens during your shifts to support recovery.

[2:21] Even if you sleep during the day, exposing yourself to bright light after waking can help reset your internal clock. Light therapy boxes or stepping outside and putting your face in the sun without sunglasses can make a significant difference in how alert and balanced you feel.

[2:44] Stress is a huge sleep disruptor. Functional medicine emphasizes the Mind-Body Connection, so incorporate techniques like vagus nerve stimulation – which would be singing, humming or even gargling – that can activate your parasympathetic nervous system promoting relaxation before sleep.

[3:03] If you can’t get a single long sleep, think about your rest in cycles. Sleep works in 90-minute phases, so aim for three, four and a half, or 6 hours instead of a broken 5 hours. This helps you wake up at the end of a cycle feeling more refreshed.

[3:26] In functional medicine we see sleep as part of a bigger picture – your gut health, stress levels, and environment all play a role. Working night shifts is tough, but it doesn’t have to compromise your health. By understanding the deeper connections between sleep, nutrition and your body’s natural systems, you can take meaningful steps towards restoration. You’re not just sleeping, you’re building resilience and investing in long-term vitality.

  • Sleep is essential for body repair and regeneration at a cellular level
  • Night workers have increased risks for cardiovascular disease and diabetes
  • Sleep regulates crucial hormones like cortisol, insulin, and melatonin
  • The brain’s glymphatic system detoxifies during deep sleep
  • Timing last meal 3 hours before sleep helps regulate insulin
  • Sleep works in 90-minute cycles – aim for complete cycles
  • Bright light exposure after waking helps reset internal clock

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