Sleep Myths That Harm Health
As much as we’d like to think we can train our bodies to need less sleep, the science says the opposite.
All of the evidence shows, without a shadow of a doubt, that chronic insufficient sleep, of five-six hours or less, is associated with a host of unfavorable consequences.
SIMILAR ARTICLES & IDEAS:
Sleeping five hours or less consistently increases your risk greatly for adverse health consequences. These included cardiovascular diseases, such as heart attacks and strokes, and shorter life expectancy.
Everyone should aim for a consistent seven to eight hours of sleep a night.
It may help you fall asleep, but it dramatically reduces the quality of your rest that night. It particularly disrupts your REM (rapid eye movement) stage of sleep, which is important for memory and learning.
You will have slept and may have nodded off more easily, but some of the benefits of sleep are lost.
Often if we're watching the television it's the nightly news… it's something that's going to cause you insomnia or stress right before bed when we're trying to power down and relax.
The other issue with TV - along with smartphones and tablets - is they produce blue light, which can delay the body's production of the sleep hormone melatonin.
Although snoring may be harmless for most people, it can be a symptom of a life-threatening sleep disorder called sleep apnea, especially if it is accompanied by severe daytime sleepiness.
Sleep apnea can be treated; men and women who snore loudly, especially if pauses in the snoring are noted, should consult a physician.
Sleep experts say most adults need between seven and nine hours of sleep each night for optimum performance, health, and safety.
The resulting sleep deprivation has been linked to health problems such as obesity and high blood pressure, negative mood and behavior, decreased productivity, and safety issues in the home, on the job, and on the road.
... opening the window, or turning on the air conditioner are effective ways to stay awake when driving.
These "aids" are ineffective and can be dangerous to the person who is driving while feeling drowsy or sleepy.
It's best to pull off the road in a safe rest area and take a nap for 15-45 minutes. Caffeinated beverages can help overcome drowsiness for a short period of time.
About 80% of our sleeping is of the SWS variety, identified by slow brain waves, relaxed muscles and deep breathing.
Deep sleep is important for the consolidation of memories. New experiences get moved to long-term storage and less important experiences from the previous day get cleared out.
Dreaming accounts for 20% of our sleeping time.
The length of dreams can vary from a few seconds to almost an hour. During REM sleep, the brain is highly active. The muscles are paralyzed, and the heart rate increases. Breathing can become erratic.
Although eight hours is the common mention, optimum sleep can vary from person to person and from age to age.
One review that worked through 320 research articles concluded 7 - 9 hours of sleep are enough for adults. According to experts, too little or too much sleep can both have a negative impact on your health.