Sleep Archive

People with insomnia can quiet a racing mind or relax a tense body with progressive muscle relaxation, which involves gradually tensing and relaxing muscles, beginning with the toes and working up the body.

Compared to people who have moderate sleep-and-wake patterns, night owls may be more likely to have unhealthy habits that put their heart health at risk, according to a 2026 study.

Persistent snoring may point to more than noisy sleep. Learn what might be behind it and which fixes to consider.

Sudden gasps for air at night can be alarming. Explore how allergies, blocked airways, or more serious sleep and heart problems might be involved.

Growing evidence suggests that poor sleep is linked to a host of health problems, including a higher risk of high blood pressure, diabetes, obesity, and heart disease. Now, a recent study on people in midlife finds that having a combination of sleep problems may nearly triple a person's risk of heart disease.

Sleep architecture is the pattern and sequence of sleep cycles and stages. People cycle through four to six periods of light and deep sleep each night. Aging, stress, illness, and alcohol consumption can influence people’s sleep architecture.

Sudden spells where the world flips and blurs can be alarming. Explore possible causes, from inner ear issues to your nighttime sleep supplement.

Type 2 diabetes and sleep apnea often occur together, especially in people with extra weight. Learn how one condition may influence the other.

Cognitive behavioral therapy for insomnia (CBT-i) identifies and challenges thoughts about sleep that make it more difficult, eradicates bedroom activities other than sleep and sex, limits the time spent in bed to increase the drive to sleep, and teaches relaxation techniques.