ラベンダー : 不眠症
A エビデンス 複数の大規模臨床試験が一貫して有意な効果を示しています。合計2,477名の参加者を対象とした50件の研究(メタアナリシス5件、RCT 13件を含む)に基づく。50件中42件の研究で肯定的な効果が示されている。
結論
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
Key Statistics
51
研究数
2477
参加者数
Positive
グレード
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
一般的な使用量
- sleep:
- 80-160 mg Silexan (oral) or aromatherapy
上限量: Not established for oral; external use generally safe
研究で検討された用量
| 用量 | 期間 | 効果 | 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 | -- |
推奨摂取タイミング: 30-60 minutes before bed (oral); at bedtime (aromatherapy)
Safety & Side Effects
報告されている副作用
- ⚠ GI upset (oral form)
- ⚠ Headache
- ⚠ Constipation
- ⚠ Increased appetite
既知の相互作用
- ● Sedatives — additive drowsiness with oral lavender
- ● Blood pressure medications — lavender may lower blood pressure
耐容上限摂取量: Not established for oral; external use generally safe
サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。
Frequently Asked Questions
Does ラベンダー help with 不眠症?
How much ラベンダー should I take for 不眠症?
Are there side effects of ラベンダー?
How strong is the evidence for ラベンダー and 不眠症?
Related Evidence
ラベンダー 他の症状・状態について
References
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