GradedHealth

Poor sleep and insomnia

Trouble falling asleep, staying asleep or waking up rested.

32 findings across 21 topics. Strongest evidence: Hot Bath (B), Melatonin (B), Music (B).

Grades show how certain the evidence is, not how big the effect is. How we grade evidence

What helps

Hot Bath

  • Helps you fall asleep faster — Benefit, grade B: Moderate
  • Improves sleep efficiency — Benefit, grade B: Moderate
  • Improves sleep quality — Benefit, grade B: Moderate

Melatonin

  • Helps children with autism or other neurodevelopmental disorders fall asleep — Benefit, grade B: Moderate
  • Reduces time to fall asleep — Benefit, grade B: Moderate
  • Improves sleep quality in adults aged 55 and older with insomnia — Benefit, grade C: Limited

Music

  • Helps you sleep better — Benefit, grade B: Moderate

Sleep

  • A warm bath or shower before bed helps you fall asleep faster — Benefit, grade B: Moderate

Aromatherapy

  • Helps you sleep — Benefit, grade C: Limited

Walking

  • Helps people with cancer sleep better — Benefit, grade C: Limited
  • Helps relieve insomnia symptoms — Benefit, grade C: Limited
  • More daily activity goes with better sleep — Benefit, grade C: Limited

Morning Light

  • Bright light (often in the morning) helps you sleep better — Benefit, grade C: Limited

Breathing Exercises

  • Helps you sleep — Benefit, grade C: Limited

Tai Chi

  • Improves sleep quality — Benefit, grade C: Limited

Yoga

  • Helps you sleep better — Benefit, grade C: Limited

Ashwagandha

  • Improves sleep quality — Benefit, grade C: Limited

Chamomile

  • Helps you sleep better — Benefit, grade C: Limited

Meditation

  • Helps you sleep better — Benefit, grade C: Limited

Tart Cherry

  • Improves sleep duration and quality — Benefit, grade C: Limited

Mixed evidence

CBD

  • Helps you sleep — Mixed results, grade C: Limited

Napping

  • Helps you cope with a sleepless night — Mixed results, grade C: Limited

Magnesium

  • Helps you fall asleep and sleep better — Mixed results, grade C: Limited

Chamomile

  • Helps with insomnia — Mixed results, grade C: Limited

Lion's Mane

  • Improves sleep — Mixed results, grade C: Limited

Walking

  • Exercise, including walking, may improve sleep — Mixed results, grade C: Limited

Doesn't seem to help

Melatonin

  • Causes physical dependence or rebound insomnia — No effect, grade C: Limited

Journaling

  • Does not clearly improve sleep in advanced illness — No effect, grade C: Limited

Morning Light

  • Bright light (often in the morning) improves sleep in dementia — No effect, grade C: Limited

Walking

  • Walking during pregnancy reduces insomnia — No effect, grade C: Limited

Risks and things that may make it worse

Coffee

  • Can disrupt sleep — Harm, grade B: Moderate

Caffeine

  • Disrupts sleep — Harm, grade B: Moderate