Restless legs syndrome (RLS) and periodic limb movement disorder (PLMD) Archive

Revenge bedtime procrastination involves sacrificing sleep to prioritize personal time for activities unrelated to the demands of work or caregiving. Short-term effects of insufficient quality sleep time include next-day fatigue and negative mood. Persistent sleep deprivation can increase risks of conditions such as cardiovascular disease and dementia.

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.

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

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

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.

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

A drink before bed may seem like a good idea, but its hidden effects on your brain, heart, and breathing can ruin your night's sleep.