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Research

What the studies say, simply

What sleep and relaxation research actually shows, with links to every study.

Journal of Clinical Sleep Medicine · 2020

A randomized controlled study of weighted chain blankets for insomnia in psychiatric disorders

In 120 adults with insomnia and a psychiatric condition, four weeks with a weighted chain blanket reduced insomnia severity more than a light control blanket. Results may not apply to everyone.

Study: A randomized controlled study of weighted chain blankets for insomnia in psychiatric disorders

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JAMA Internal Medicine · 2015

Mindfulness meditation and improvement in sleep quality among older adults with sleep disturbances

In 49 older adults with moderate sleep problems, a six-week mindfulness programme improved self-reported sleep quality more than a sleep-hygiene education class.

Study: Mindfulness meditation and improvement in sleep quality among older adults with sleep disturbances

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Journal of Advanced Nursing · 2016

Effects of drinking chamomile tea on sleep quality and depression in sleep-disturbed postnatal women

In 80 postnatal women, two weeks of chamomile tea improved self-reported sleep problems compared with controls, but the effect faded four weeks after stopping.

Study: Effects of drinking chamomile tea on sleep quality and depression in sleep-disturbed postnatal women

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Perceptual and Motor Skills · 2012

Effects of lavender aroma on sleep quality in healthy Japanese students

A small study found lavender scent at night was associated with feeling more refreshed on waking. Interesting, but early-stage evidence.

Study: Effects of lavender aroma on sleep quality in healthy Japanese students

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Not medical advice. We explain published research in plain English for general interest only. Studies have limits and results vary. Talk to your GP or a qualified health professional before changing your routine, especially if you are pregnant, take medication or have a health condition.