This Week’s Top Stories from Harvard Health

Can’t sleep? You may be at risk for atrial fibrillation

If you have problems sleeping through the night, you may be at risk for atrial fibrillation (afib), an irregular heart rate that may cause heart palpitations and is a leading cause of stroke. A study published online by HeartRhythm reviewed four studies and found a link between afib and poor sleep.

Get your copy of Improving Sleep

When you wake up in the morning, are you refreshed and ready to go, or groggy and grumpy? For many people, the second scenario is all too common. Improving Sleep: A guide to a good night's rest describes the latest in sleep research, including information about the numerous health conditions and medications that can interfere with normal sleep, as well as prescription and over-the-counter medications used to treat sleep disorders. Most importantly, you’ll learn what you can do to get the sleep you need for optimal health, safety, and well-being.

Vegetable of the month: Cauliflower

Just a few years ago, cauliflower was considered kind of ho-hum, relegated mainly to frozen vegetable medleys or crudité platters. But these days, the mild white vegetable is far more popular, thanks to in part to recent diet trends that encourage people to eat fewer starchy and grain-based foods.

Additional News from Harvard Health Publishing

New nasal spray may stop rapid heart rhythm

Poor vision affects driving skills and brain function

Feeling young could signal a younger brain

Improving Sleep

Featured content:

•	Sleep mechanics
•	Sleep throughout life
•	Dangers of sleep deprivation
•	SPECIAL SECTION: Practical tips for sounder sleep
•	Medical conditions that disrupt sleep
•	... and more!