Sleep Archive

People on levothyroxine sometimes notice trouble sleeping, raising concerns about how long it will persist and whether dose changes could improve rest.

Stuffy nose and sneezing caused by allergies can narrow airways and disrupt sleep, sometimes fueling snoring and even sleep apnea. Targeted treatment may help.

Links between restless legs and iron, caffeine, and alcohol are emerging. See which dietary tweaks might be worth trying.

Around age 40, most people lose some height, and the decline accelerates with age. This "shrinkage" can be slowed by preventing osteoporosis and improving posture. Getting enough calcium and vitamin D can help increase bone density, and exercises for the back and abdominal muscles can help with posture.

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.

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.

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.

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.