Insomnia
Difficulty falling or staying asleep, why it happens, and how healthy sleep habits help.
Sleep MedicineBeginner
Based on MedlinePlus en español — Insomnia. Original educational summary, read by a medical doctor and confirmed reliable, pending formal approval. Not medical advice.
LearnLearning outcomes
- Explain when sleep does not come.
- Explain what disrupts sleep.
- Explain why sleep matters.
- Explain sleep hygiene and treatment.