Can Collagen Supplements Improve Sleep Quality?


Categories: Collagen

Sleep is vital for overall health and wellbeing. As we sleep, our body repairs itself and restores its energy levels. High-quality sleep is essential for cognitive function, productivity, mood, and more. Unfortunately, many people struggle to get consistent, restorative sleep. This can negatively impact mental and physical health over time.

Collagen supplements have recently grown in popularity for a variety of proposed health benefits. Some claims suggest collagen can improve skin, hair, nails, joints, and more. But can taking collagen supplements also enhance sleep? This article will analyze the evidence behind these assertions.

Recommended Collagen Supplementation Duration

Collagen Basics

Collagen is the most abundant protein in the human body. It makes up the connective tissues that provide structure and elasticity to structures like skin, bones, tendons, ligaments, and blood vessels.

There are over 16 types of collagen in the body. But around 90% consists of types I, II, and III. Collagen production starts decreasing around age 25. This natural decline of collagen contributes to common signs of aging like fine lines, sagging skin, aching joints, and decreased bone density over time.

Collagen supplements come in powder, liquid, capsule, and chew forms. They provide extra collagen derived from common sources like fish, eggshells, or bovine hide. The goal is to supplement the collagen your body can no longer produce at youthful levels.

Collagen and Sleep?

At first glance, the link between collagen supplements and improved sleep seems tenuous. But there are some plausible theories for how collagen could contribute to better rest.

1. Muscle, Joint, and Injury Recovery

Collagen is a major component of connective tissues. Several studies indicate collagen supplements can improvejoin t health and exercise recovery.

For example, one study found athletes taking collagen supplements for 6 months had significantly reduced joint pain. Another showed collagen peptides decreased knee pain among athletes. Multiple reviews also conclude collagen supplements can reduce joint aches and pains.

Muscle repair and reduced inflammation from minor injuries may also improve with added collagen. In one study, collagen supplementation increased muscle mass gains after 12 weeks of strength training.

Better post-workout and injury recovery could promote higher quality sleep. If your body can repair itself faster, you may feel less discomfort when trying to rest.

2. Brain Chemistry and Mood

The amino acids in collagen may support neurotransmitters related to relaxation and sleep. Glycine makes up about 1/3 of the amino acids in collagen supplements.

Studies link glycine to improved mood, memory, and stress response. Glycine also plays a role in the synthesis of key neurotransmitters like serotonin and dopamine.

Optimizing brain chemistry with collagen amino acids may help you fall asleep faster and experience deeper, less disrupted sleep.

3. Skin and Tissue Health

Collagen is a vital structural protein in skin. Supplements may improve skin hydration, elasticity, and dermal collagen density.

Some evidence also indicates collagen can reduce cellulite. When skin and connective tissues appear more youthful, it can boost confidence and self-esteem. Feeling better about your appearance may lower stress levels that interfere with restful sleep.

Collagen Supplement Studies for Sleep

While the mechanisms above provide plausible theories, do any studies specifically analyze collagen supplements for improving sleep quality?

Some small clinical studies suggest a positive impact:

  • A 2019 double-blind study had 50 adults take either a placebo or 2.5 grams bioactive collagen peptides daily for 8 weeks. The collagen group reported significantly better sleep quality on the Pittsburgh Sleep Quality Index.
  • Another trial in 2020 gave 24 adults either a collagen supplement or placebo for 4 weeks. Those in the collagen group had less anxiety and improved sleep quality versus the placebo group.
  • A 2018 study of 38 older adults found a collagen supplement increased sleep quality scores compared to a control group after 12 weeks. Participants reported better sleep duration and fewer night time wakings.

While these studies had small sample sizes, the results consistently showed improved markers of sleep quality. Participants also tolerated the collagen supplements well without adverse effects.

Larger scale, longer term trials are still needed. But the early research is promising. The findings suggest supplemental collagen may enhance sleep in middle-aged and elderly populations especially.

Other Factors that Support Sleep

While collagen shows potential for better rest, many other lifestyle factors deeply influence sleep quality:

  • Exercise - Regular exercise helps synchronize circadian rhythms and deepen REM sleep cycles. But avoid vigorous workouts close to bedtime.
  • Nutrition - Diets high in whole foods provide minerals like magnesium and B vitamins that aid relaxation and sleep.
  • Stress Management - Unmanaged anxiety and chronic stress disrupt healthy sleep patterns.
  • Digital Devices - Blue light exposure from screens over-stimulates the brain. Avoid devices before bedtime.
  • Sleep Hygiene - Practices like a consistent bedtime ritual, limiting naps, and keeping the bedroom cool and dark all support healthy sleep.

For optimal results, collagen supplements should be part of a multifaceted approach to improve sleep.

Concerns and Considerations

Before trying collagen for better sleep, keep the following cautions in mind:

  • Talk to your doctor before taking any new supplements, especially if you take medications or have a medical condition.
  • Start with the lowest effective dose and increase slowly over time to assess tolerance.
  • Select reputable supplements certified as high-quality and free from contaminants.
  • Avoid combinations with unnecessary fillers, sugars, stimulants, or additives.
  • Seek sustainable collagen sources like pasture-raised bovine, marine collagen, or collagen peptides.
  • Monitor for possible side effects like digestive upset, drowsiness, headaches, bad taste, or skin irritation.
  • Check for any food or topical allergies since common sources include eggs, shellfish, chicken, and cow products.

Can Collagen Supplements Improve Sleep Quality? Conclusion

Early research indicates collagen supplements may support higher quality, more restorative sleep in adults. Collagen provides amino acids for neurotransmitter balance, aids exercise recovery, and improves skin and connective tissue health - all factors that can enhance sleep comfort.

However, larger and longer-term studies are needed to confirm effects. Collagen supplements also work best when combined with proper sleep hygiene practices for whole-body wellness. Talk to your integrative medicine provider to see if collagen and other targeted supplements could benefit your sleep goals within a comprehensive regimen.

Resources used to write this article

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