Lavanda para Insônia

Baseado em 50 estudos (5 meta-analyses, 13 RCTs) com 2,477 participantes no total. 42/50 estudos mostram efeitos positivos.

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Conclusão

Lavender is among the most well-researched natural sleep aids, with strong and consistent evidence that it may improve sleep quality through both aromatherapy and oral supplementation.

42 out of 50 studies show positive effects — an 84% positive rate across a large evidence base
Both aromatherapy (inhaled) and oral lavender supplements have shown benefits in RCTs
A 2025 meta-analysis confirmed benefits specifically for sleep disorders in older adults
Works through GABAergic brain pathways and olfactory (smell) nerve pathways

Key Study Findings

systematic review

The Effect of Lavender on Sleep Quality in Individuals Without Insomnia: A Systematic Review.

Dose: None vs: Placebo Efeito: 14/20 RCTs showed positive effects None

laboratory/in vitro

Screening natural raw materials and product development for improving insomnia based on network pharmacology and …

Dose: Pinghe Sleep Aromatherapy Product containing sandalwood, lime, angelica sinensis, yilan, sage, and l vs: Placebo Efeito: 5 core insomnia targets identified; 597 usable candidate materials identified; key compounds: beta-s None

systematic review and meta-analysis

A systematic review and meta-analysis of clinical trials on lavender for sleep disorders in older …

Dose: Lavender (Lavandula) essential oil; administered via inhalation; dose/concentration varied by study vs: Placebo Efeito: SMD: -1.20 (95% CI: -1.73 to -0.68); I²=87.5% None

randomized controlled trial n=67 6 weeks Open-label

Vetiver and Orange Blossom Aid in Lowering Blood Pressure and Heart Rate and Improving Sleep …

Dose: Essential oils (lavender, vetiver, or orange blossom) used via aromatherapy for 4-6 weeks vs: Placebo Efeito: Vetiver PSQI: 7.92 to 6.08 (P=0.007); Orange blossom PSQI: 8.32 to 6.47 (P=0.042); Vetiver SYS: 108. 0.007

Review

The Efficacy of Melatonergic Receptor Agonists Used in Clinical Practice in Insomnia Treatment: Melatonin, Tasimelteon, …

Dose: None vs: Placebo Efeito: None None

Review

The Role of Essential Oils on Sleep Quality and Other Sleep-related Issues: Evidence from Clinical …

Dose: None vs: Placebo Efeito: None None

Key Statistics

Estudos

2477

Participantes

↑

Positive

Nota

Referenced Papers

The Effect of Lavender on Sleep Quality in Individuals Without Insomnia: A Systematic Review. Systematic Review

Holistic nursing practice None 6 citações

Screening natural raw materials and product development for improving insomnia based on network pharmacology and data mining. Other

Medicine 2026

Lavender improves sleep through olfactory perception and GABAergic neurons of the central amygdala. Other

Journal of ethnopharmacology 2025 8 citações

A review on essential oils: A potential tonic for mental wellbeing in the aging population? Review

Maturitas 2025 4 citações

A Comprehensive Review of Lavandula stoechas L. (Ustukhuddus) Plant: Phytochemistry, Pharmacology, and In Silico Studies. Review

Chemistry & biodiversity 2025 4 citações

Integrative sleep management: from molecular pathways to conventional and herbal treatments. Review

Naunyn-Schmiedeberg's archives of … 2025 4 citações

The Role of Essential Oils on Sleep Quality and Other Sleep-related Issues: Evidence from Clinical Trials. Review

Mini reviews in … 2025 3 citações

The Efficacy of Melatonergic Receptor Agonists Used in Clinical Practice in Insomnia Treatment: Melatonin, Tasimelteon, Ramelteon, Agomelatine, and Selected Herbs. Review

Molecules (Basel, Switzerland) 2025 2 citações

Vetiver and Orange Blossom Aid in Lowering Blood Pressure and Heart Rate and Improving Sleep Quality. Other

Holistic nursing practice 2025 1 citações

A systematic review and meta-analysis of clinical trials on lavender for sleep disorders in older adults. Meta-Analysis

Experimental gerontology 2025

Effect of a lavender essential oil and sleep hygiene protocol on insomnia in postmenopausal women: A pilot randomized clinical trial. RCT

Explore (New York, … 2024 16 citações

Therapeutic Potential of Essential Oils Against Ulcerative Colitis: A Review. Review

Journal of inflammation … 2024 11 citações

Beta-Myrcene as a Sedative-Hypnotic Component from Lavender Essential Oil in DL-4-Chlorophenylalanine-Induced-Insomnia Mice. Other

Pharmaceuticals (Basel, Switzerland) 2024 6 citações

Efficacy of Lavender Essential Oil in Reducing Stress, Insomnia, and Anxiety in Pregnant Women: A Systematic Review. Review

Healthcare (Basel, Switzerland) 2024 5 citações

Catching ZZZs: A Summary of the Most Common Herbal Medications Taken for Insomnia. Review

American journal of … 2024 3 citações

The effectiveness of aromatic extract on insomnia: a meta-analysis. Meta-Analysis

Sleep & breathing … 2024

Lavender essential oil fractions alleviate sleep disorders induced by the combination of anxiety and caffeine in mice. Other

Journal of ethnopharmacology 2023 34 citações

Restless Legs Syndrome in Chronic Kidney Disease- a Systematic Review. Systematic Review

Tremor and other … 2023 32 citações

The effect of a combined treatment of foot soak and lavender oil inhalation therapy on the severity of insomnia of … RCT

Explore (New York, … 2023 7 citações

Differences in Neurotransmitters Level as Biomarker on Sleep Effects in Dementia Patients with Insomnia after Essential Oils Treatment. Other

Biomolecules & therapeutics 2023 7 citações

Medicinal Plants Used for Anxiety, Depression, or Stress Treatment: An Update. Review

Molecules (Basel, Switzerland) 2022 90 citações

Phytochemical Profiling, Antioxidant and Anti-Inflammatory Activity of Plants Belonging to the Lavandula Genus. Review

Molecules (Basel, Switzerland) 2022 67 citações

A critical review on clinical evidence of the efficacy of lavender in sleep disorders. Review

Phytotherapy research : … 2022 30 citações

Determination the effects of lavender oil quality of sleep and fatigue of students. Other

Perspectives in psychiatric … 2022 17 citações

Effects of Iranian Polyherbal Syrup (Zufa syrup) on oxygen saturation and clinical symptoms in suspected patients with COVID-19: a triple-blinded, … RCT

Medical gas research 2022 12 citações

Effect of anxiolytic drug silexan on sleep - a narrative review. Meta-Analysis

The world journal … 2022 9 citações

Two representatives of lamiaceae essential oils and their main components cause changes in glutathione related enzymatic activities. Other

Natural product research 2022 5 citações

Herbal Remedies and Their Possible Effect on the GABAergic System and Sleep. Systematic Review

Nutrients 2021 85 citações

A systematic literature review and meta-analysis of the clinical effects of aroma inhalation therapy on sleep problems. Meta-Analysis

Medicine 2021 52 citações

A pilot study on essential oil aroma stimulation for enhancing slow-wave EEG in sleeping brain. RCT

Scientific reports 2021 46 citações

Lavender essential oil on postmenopausal women with insomnia: Double-blind randomized trial. RCT

Complementary therapies in … 2021 41 citações

The effects of linalool acupoint application therapy on sleep regulation. Other

RSC advances 2021 16 citações

Characterization of pharmaco-EEG fingerprint and sleep-wake profiles of Lavandula angustifolia Mill. essential oil inhalation and diazepam administration in rats. Other

Journal of ethnopharmacology 2021 16 citações

Efficacy of inhaled Lavandula angustifolia Mill. Essential oil on sleep quality, quality of life and metabolic control in patients with … RCT

Journal of ethnopharmacology 2020 73 citações

A Study on the Mechanism of Lavender in the Treatment of Insomnia Based on Network Pharmacology. Other

Combinatorial chemistry & … 2020 6 citações

Sedative and hypnotic effects of compound Anshen essential oil inhalation for insomnia. Other

BMC complementary and … 2019 80 citações

Beneficial effects of Silexan on sleep are mediated by its anxiolytic effect. RCT

Journal of psychiatric … 2019 32 citações

The effect of aromatherapy with lavender (Lavandula angustifolia) on serum melatonin levels. Other

Complementary therapies in … 2019 29 citações

A Systematic Review and Meta-analysis on the Effect of Herbal Medicine to Manage Sleep Dysfunction in Peri- and Postmenopause. Other

Journal of menopausal … 2018 12 citações

Effectiveness of Silexan oral lavender essential oil compared to inhaled lavender essential oil aromatherapy for sleep in adults: a systematic … Systematic Review

JBI database of … 2018 8 citações

The Effect of Aromatherapy on Insomnia and Other Common Symptoms Among Patients With Acute Leukemia. Other

Oncology nursing forum 2017 58 citações

Efficacy of orally administered Silexan in patients with anxiety-related restlessness and disturbed sleep--A randomized, placebo-controlled trial. RCT

European neuropsychopharmacology : … 2015 84 citações

Essential oils for complementary treatment of surgical patients: state of the art. Review

Evidence-based complementary and … 2014 102 citações

A case series on the use of lavendula oil capsules in patients suffering from major depressive disorder and symptoms of … Case Report

Complementary therapies in … 2014 40 citações

Nurses experience of aromatherapy use with dementia patients experiencing disturbed sleep patterns. An action research project. Other

Complementary therapies in … 2013 40 citações

The effect of lavender aromatherapy on autonomic nervous system in midlife women with insomnia. Other

Evidence-based complementary and … 2012 141 citações

Chemical composition and in vitro antimicrobial activity of essential oil of Melissa officinalis L. from Romania. Other

Revista medico-chirurgicala a … 2008 24 citações

The sleep-enhancing effect of valerian inhalation and sleep-shortening effect of lemon inhalation. Other

Chemical senses 2006 52 citações

[Effects of lavender aromatherapy on insomnia and depression in women college students]. Other

Taehan Kanho Hakhoe … 2006 49 citações

Medicinal plants for insomnia: a review of their pharmacology, efficacy and tolerability. Review

Journal of psychopharmacology … 2005 176 citações

A single-blinded, randomized pilot study evaluating the aroma of Lavandula augustifolia as a treatment for mild insomnia. RCT

Journal of alternative … 2005 105 citações

Safety and efficacy of herbal sedatives in cancer care. Review

Integrative cancer therapies 2004 59 citações

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

Dosagens Comumente Utilizadas

sleep:: 80-160 mg Silexan (oral) or aromatherapy

Limite superior: Not established for oral; external use generally safe

Dosagens Estudadas em Pesquisas

Dosagem	Duração	Efeito	N
None	--	Positive	--
Pinghe Sleep Aromatherapy Product containing sandalwood, lime, angelica sinensis, yilan, sage, and l	--	Positive	--
Lavender (Lavandula) essential oil; administered via inhalation; dose/concentration varied by study	--	Positive	--
Essential oils (lavender, vetiver, or orange blossom) used via aromatherapy for 4-6 weeks	6 weeks	Positive	67
None	--	Positive	--
None	--	Positive	--
LEO 25.0% concentration via inhalation during light phase	--	Positive	--
None	--	Positive	--

Melhor horário: 30-60 minutes before bed (oral); at bedtime (aromatherapy)

Safety & Side Effects

Efeitos Colaterais Relatados

⚠ GI upset (oral form)
⚠ Headache
⚠ Constipation
⚠ Increased appetite

Interações Conhecidas

● Sedatives — additive drowsiness with oral lavender
● Blood pressure medications — lavender may lower blood pressure

Ingestão máxima tolerável: Not established for oral; external use generally safe

Consulte sempre o seu profissional de saúde antes de iniciar qualquer suplemento.Sempre consulte seu profissional de saúde antes de iniciar qualquer suplemento.

Frequently Asked Questions

Does Lavanda help with Insônia?

Based on 51 studies with 2,477 participants, there is strong evidence from multiple clinical trials that Lavanda may support Insônia management. Our evidence grade is A (Strong Evidence).

How much Lavanda should I take for Insônia?

Studies have used various dosages. A commonly studied range is 80-160 mg Silexan (oral) or aromatherapy. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Lavanda?

Reported side effects may include GI upset (oral form), Headache, Constipation, Increased appetite. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Lavanda and Insônia?

We rate the evidence as Grade A (Strong Evidence). This rating is based on 51 peer-reviewed studies with 2,477 total participants. The overall direction of effect is positive.

Related Evidence

Outros ingredientes para Insônia

Melatonina A Raiz de valeriana A CBD A Ácidos graxos ômega-3 A Triptófano A Vitamina D A

Lavanda para outras condições

Problemas de Sono Relacionados à Ansiedade A

Veredito Rápido

Baseado em 50 estudos (5 meta-analyses, 13 RCTs) com 2,477 participantes no total. 42/50 estudos mostram efeitos positivos.

Evidence Strength92%

High confidence

Detalhamento dos Estudos

RCT (9)Meta (4)Other (38)

Comparar Alternativas

Veja como outros ingredientes se comparam para esta condição.

Ver todos os ingredientes para Insônia

Saiba Mais

Aviso Legal da FDA: Estas declarações não foram avaliadas pela Food and Drug Administration. Os produtos e informações neste site não se destinam a diagnosticar, tratar, curar ou prevenir qualquer doença. As notas de evidência apresentadas são baseadas em nossa análise de pesquisas revisadas por pares publicadas e não constituem aconselhamento médico. Sempre consulte seu profissional de saúde antes de iniciar qualquer regime de suplementação.