what causes insomnia

Medications That Cause Insomnia medical anatomy illustration showing how medications disrupt melatonin production and overstimulate brain neurotransmitters leading to sleep disturbance

Medications That Cause Insomnia: A Doctor’s Complete Guide (2026)

12 medications that cause insomnia — ranked by risk. A doctor's guide to why your pills may be stealing your sleep and exactly what to do about it.

Anxiety brain anatomy and disrupted sleep cycle illustration showing how stress hormones affect sleep problem patterns

Can Anxiety and Depression Cause Sleep Problems? What Science Says in 2026

Yes — anxiety and depression cause sleep problems through proven neurological mechanisms. Discover how the cycle works and 7 evidence-based ways to break it tonight.

Insomnia brain diagram showing hypothalamus, amygdala, pineal gland and disrupted sleep pathway causing insomnia

What Causes Insomnia? 9 Medical and Lifestyle Triggers Explained

Insomnia affects 35% of adults. Learn the 9 real medical and lifestyle triggers behind sleeplessness — and what doctors say you should do about each one.