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Sleep Archive
Articles
Melatonin for jet lag
Ask the doctor
Q. My wife and I are planning a trip to Europe and we are dreading the jet lag, which hits both of us hard. Is there any evidence that melatonin really helps? Are there any prescription drugs we could ask our doctor about?
A. Jet lag refers to fatigue or a disturbed sleep pattern after travel across multiple time zones. Some small studies have suggested that melatonin is helpful for jet lag if taken a few days before and after travel. Melatonin is a natural substance released by our brain to help with our circadian (day/night) rhythm. This rhythm is disturbed with travel across three or more time zones.
Does breathing through my mouth affect my dental health?
Ask the doctor
Q. I find that I breathe through my mouth at night because my nose seems to stuff up once my head is on the pillow. Does sleeping with my mouth open affect my teeth and gums?
A. Open-mouth breathing can dry out your gums and the tissue lining your mouth, leading to a change in the natural bacteria, which can promote gum disease and tooth decay. Lying flat can cause mucus to accumulate in your nose. Try propping up your head with a firmer pillow—or a couple of pillows. If that doesn't work, you should talk to your doctor about your problem. You may have an allergy or polyps obstructing your nasal passages that can make it difficult to breathe through your nose and may need to see an otolaryngologist (an ear, nose, and throat specialist). Meanwhile, be sure to brush and floss your teeth regularly and drink lots of water to moisten your mouth throughout the day.
Too little — or too much — sleep linked to dementia risk
Participants in the Women's Health Initiative Memory Study (WHIMS) have provided a trove of information. They completed monthly questionnaires and underwent cognitive tests. Those who showed significant decline were also tested for dementia.
Recently, researchers analyzed data from 7,444 participants over 65. They had followed the women an average of seven years. Their report was published online June 15, 2015, by Alzheimer's & Dementia.
Restructure your day to get a better night's sleep
Consistency in your schedule may help restore patterns of sleep and waking so you can get needed rest.
Image: Thinkstock
Wake up at the same time every day. Waking time is the anchor for your circadian sleep rhythm.
The free time that accompanies your older years may allow you to keep any schedule you like: sleep late one day or wake up early the next. But that lack of structure can have a negative impact on your sleep. “I see a fair number of people who say their sleep was better when they were working, but after retirement it becomes more disrupted,” says sleep specialist Dr. Cynthia Dorsey, assistant professor of psychology in Harvard Medical School’s psychiatry department.
Snoring solutions
Simple changes can help to turn down the volume.
If your wife or sleep partner often seems bleary-eyed and resentful in the morning, you may be one of the millions of adults who snore habitually—a condition that affects twice as many men as women. Snoring occurs when your upper airways narrow too much, causing turbulent airflow. This, in turn, makes the surrounding tissues vibrate, producing noise.
"Snoring is a sign that there is a really narrowed space," says Dr. Sanjay Patel, a sleep disorder specialist at Harvard-affiliated Beth Israel Deaconess Medical Center. "That happens either in your nasal passages or in the back of your throat." Some men are snorers because they have excess throat and nasal tissue. Others have floppy tissue that's more likely to vibrate. The tongue can also get in the way of smooth breathing.
A pill-free way to fight insomnia
It appears that cognitive behavior therapy may help people with chronic insomnia and no underlying medical problems fall asleep faster.
Insomnia therapy helps reduce knee pain
Painful knees and sleeplessness often go hand in hand, but a form of counseling called cognitive behavioral therapy (CBT) can help with both problems, according to a study in Arthritis and Rheumatology.
The study involved 100 people ages 50 to 70 with wear-and-tear arthritis (osteoarthritis) in the knee as well as insomnia. They were chosen at random for either eight sessions of CBT or a comparison treatment, called desensitization therapy, known not to be very effective for insomnia.
How a sleep shortfall can stress your heart
Getting less than six hours of sleep on a regular basis can boost levels of stress hormones, which can strain your cardiovascular system. |
Find out if your sleeping habits put you at risk—and what to do about it.
Treating sleep apnea may stave off cognitive decline
Heavy snoring and sleep apnea may be linked to early declines in memory and thinking, according to a new study published online April 15, 2015, by the journal Neurology. The research also suggests that treating sleep apnea with a continuous positive airway pressure (CPAP) machine may delay the declines.
For the study, researchers reviewed the medical histories for 2,470 people ages 55 to 90 and categorized them as free of memory and thinking problems, in early stages of mild cognitive impairment, or with Alzheimer's disease. For each category, the researchers compared people without sleep apnea, people with untreated sleep apnea, and people with sleep apnea who had used CPAP machines to aid breathing as they slept.
Sleep breathing problems may hasten decline in thinking skills
As we reported in March, sleep apnea and other sleep breathing problems are associated with the development of dementia. Now a study published online April 15, 2015, by Neurology finds that sleep breathing problems are associated with an earlier onset of the decline in thinking skills.
Researchers analyzed the medical histories of about 2,500 people ages 55 to 90 and found that people with sleep breathing problems were diagnosed with mild cognitive impairment (a decline in thinking skills) an average of 10 years earlier than people who didn't have those problems. The encouraging news: people who treated their sleep breathing problems with a continuous positive airway pressure (CPAP) machine were diagnosed with mild cognitive impairment about 10 years later than people whose problems were not treated. The study doesn't prove a cause-and-effect relationship, but it does offer hope. "CPAP improves the quality of sleep in people with sleep-disordered breathing. Healthy sleep is an important time for our brains to accomplish critical 'housekeeping' tasks. One of these tasks is clearing beta-amyloid, one of the main proteins associated with Alzheimer's disease," says Dr. Scott McGinnis, an instructor in neurology at Harvard Medical School.
Recent Articles
Hospice care: Overview of a compassionate approach to end-of-life care
Foot pain: A look at why your feet might hurt
Matcha: A look at possible health benefits
Wildfires: How to cope when smoke affects air quality and health
Forearm workouts: Strengthening grip for everyday function
Depression symptoms: Recognizing common and lesser-known symptoms
Medication side effects: What are your options?
Independent living with home care assistance: Balancing autonomy and support
Dialysis: What to expect from this life-changing — and lifesaving — treatment
The BEEP program: Keep your balance
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