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Sleep Archive

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What could be causing my nighttime gasping for breath?

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

Addressing poor sleep may help heart health

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.

What is "sleep architecture?"

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.

How can technology help people manage their health between — and during — doctor visits?

Data from apps or wearable devices can help people spot patterns, track changes, and notice potential problems earlier—information that’s valuable both between and during clinician appointments.

Core Exercises: Diagonal Opposite Arm and Leg Raise

Harvard fitness expert Michele Stanten takes you through a simple exercise to tighten your abs, strengthen your back, and improve your balance.

Core Exercises: Pelvic Curl

Harvard fitness expert Michele Stanten takes you through a simple exercise to tighten your abs, strengthen your back, and improve your balance.

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