Haims: Frequent sleep deprivation causes health concerns
Unfortunately, many of us are so used to irregular and short sleep cycles that the signs of sleep deprivation may not be clear. Knowing and being aware of some of the signs your body needs more sleep may be helpful.
Sleep deprivation can lead to hypertension, type 2 diabetes, and possibly, stoke. Sleep is an integral time for the body to repair. When the body is deprived of sleep, it doesn’t complete all of the phases needed for muscle and tissue repair, memory consolidation, release of hormones, and the regulation of cortisol and blood pressure.
If these non-visual threats aren’t enough of a wake-up call for changing your sleep habits, perhaps your vanity may want to take note — there is an association between sleep and weight gain. Too little and too much sleep has a proven correlation to excess body weight. Ever find yourself surfing the refrigerator late night?
There are biological reasons that people who are sleep deprived find themselves hungrier than normal. Sleep deprivation affects glucose and insulin levels. When your body is tired and in need of energy, high calorie and high-fat foods provide quick energy fixes.
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Two hormones that affect weight are ghrelin and leptin. Ghrelin is produced within our gastrointestinal tracts and sends hunger signals to our brain. When our stomachs are empty, ghrelin is secreted.
The leptin hormone helps to tell you that you are full. Leptin is secreted primarily in fat cells, as well as the stomach, heart, placenta, and skeletal muscle. According to research posted in The European Sleep Research Society, after just two consecutive nights of four hours of sleep, test subjects had a 28 percent higher ghrelin (hunger) hormone level and 18 percent lower leptin (satiety) hormone level in their blood compared with subjects who had slept 10 hours a night.
Keeping hormones in check
The association between sleep deprivation and hypertension, type 2 diabetes, and stoke is complicated. However, without trivializing complex issues, it all comes down to stresses on the body. When the body becomes stressed hormones are often released — some are beneficial, and others are not.
Out of balanced hormones can wreak havoc in your circulatory system. Complications include increased blood pressure, damage to the walls of the arteries, increased heart rate, and blockages in blood vessels.
Altitude can also play a part in the quality of sleep. As altitude increases, oxygen levels in the air decrease. For many people, the decreased oxygen can cause irregular breathing patterns where stop-and-start breathing occurs. When these occurrences happen, your brain is forced from deeper stages of sleep in an effort to get the body to breathe again. This particular type of apnea is called central apnea.
Common signs of sleep deprivation and/or lack of quality sleep include depression, hunger and cravings for carbohydrates, increased agitation, low levels of patience, inability to concentrate, lack of motivation, and even reduced sex drive.
Many of today’s fitness monitors can track wake and sleep times — some can monitor oxygen levels while you sleep. Earlier this year, I purchased a wrist pulse oximeter and heart rate monitor from Amazon. We lend it to clients overnight so they can monitor their oxygen saturation levels and heart rates while they sleep.
Our clients use the overnight data to learn if there are abnormal drops in oxygen levels called desaturations, or if there are heart rate variation. They share this information with their medical practitioners and gain a better understanding of their health.
Sleep is important to your entire body. If you are not getting enough sleep, perhaps it’s time you look into the situation. The effects are deeper than just being tired. Consult your doctor and ask questions. You need to be your best advocate.
Judson Haims is the owner of Visiting Angels Home Care in Eagle County. He is an advocate for our elderly and is available to answer questions. His contact information is, http://www.visitingangels.com/comtns, 970-328-5526.
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