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US Navy approves changes for submariners' sleep schedules

With no sunlight to set day apart from night on a submarine, the U.S. Navy for decades has staggered sailors' working hours on schedules with little resemblance to life above the ocean's surface.

9 energy boosters to help you feel more awake

Feeling sluggish? A few simple tricks can help you feel more awake.

Sleepless nights raise brain levels of Alzheimer鈥檚 protein, study finds

After a night of no sleep, even a healthy brain has higher than normal levels of the protein that forms the signature tangles in Alzheimer鈥檚 disease, according to a new study from the Netherlands.

NYC hotel, spa offer personalized sleep services

People having trouble getting enough shut-eye may try adjusting their diet or exercise routine, or even go so far as to pop a sleeping pill on the regular.

Trouble falling asleep may signal high blood pressure

Trouble sleeping, especially trouble falling asleep, may be associated with high blood pressure, according to a new study from China.

Sleep-deprived kids are more tempted by food

Children who don鈥檛 get enough sleep might be more tempted by food, a new study suggests.

Poor sleep linked to teen mental health problems

Getting too little sleep might be a sign of - or even a contributor to - emotional problems, anxiety and suicidal thoughts among teens, according to a large study from Europe.

What happens to your body when you hit the snooze button

You know you've been there: Your alarm starts blaring in the a.m., and with your brain consumed by a lethargy haze, you reflexively reach over and hit snooze, stealing yourself 10 more minutes of shuteye, then another 10 minutes, and then another.

Overnight shift, jet lag cause 鈥榗haos鈥� in body

Working overnight causes 鈥渃haos鈥� in the body and could lead to long-term damage, BBC News reported.

Jawbone adjusters may help with mild sleep apnea

For people with mild to moderate obstructive sleep apnea, an oral device that adjusts the lower jaw during sleep may help treat snoring or restless legs, according to a new study.