Three Ways To Avoid Age-Related Circadian Rhythm Disruption
Dr Christiane Northrup MD
Occasional problems with sleep are common at midlife, often secondary to hot flashes and night sweats, or anxiety and depression—which often occur together in midlife women. Between 20 and 40 percent of women have sleep disorders, and women in perimenopause often need more sleep and suffer from insomnia more often than do men of the same age.
When we don’t get sufficient sleep, we not only become tired and irritable, but we are more accident-prone and exhibit decreased concentration, efficiency, and work motivation. Inadequate sleep can cause errors in judgment. Plus, lack of sleep causes stress hormones to rise, which over time can disrupt hormonal balance and depress the immune system. Too little sleep over time can put you at greater risk for obesity, heart disease, and diabetes.
Sleep is also critical for consolidation of learning and memory, and it serves as a way to help us sort out in our minds and bodies the things we have learned and experienced during the day. In fact, studies have linked a nightly battle with insomnia to memory loss, dementia, and even Alzheimer’s, not to mention other brain disorders, including Parkinson’s.
Hot flashes and night sweats are by far the most common reasons for sleep deprivation at midlife. In many women at menopause, the brain chemicals that are important for sleep undergo changes, making our bodies become less efficient at falling into a deep sleep – the sleep that is associated with the release of human growth hormone and memory consolidation, and that is essential for feeling rested in the morning — and more easily aroused by internal or external stimuli.
Your ability to sleep is also profoundly affected by your feelings. At midlife, many women experience increased demands at work and at home. Insomnia and hot flashes are exacerbated by underlying unresolved and unprocessed emotions, such as stress, anxiety, sadness, fear, and anger, and the unfinished business that fuels these symptoms, creating a perfect storm for poor sleep.
Natural sleep aids can help with occasional midlife sleep problems. But, it’s important to remember that some natural sleep aids bind to the same place in the brain as prescription sleep drugs. And, like prescription drugs, natural sleep aids can lose their effectiveness over time. Be sure to consult your physician before taking any supplements.
2% progesterone cream. Try bioidentical progesterone cream. Use one-quarter to one-half teaspoon at bedtime on skin. Progesterone binds to the GABA receptors in the brain and has a calming effect.
Pueraria mirifica. This herb has been used in Thailand for over 700 years to help women quell perimenopausal symptoms. It’s ability to interact with the body’s own estrogen to help diminish hot flashes makes it excellent for calming the mind and body at night.
Amantilla and Babuna. These natural medicines originate from the valerian plant (Valeriana officinalis) and the flower of the manzanilla plant (Matricaria recutita, commonly known as chamomile), respectively. In a double-blind, randomized, placebo-controlled multicentered study, Amantilla was 82.5 percent effective in helping patients sleep, while Babuna was 68.8 percent effective. On nights when you’re keyed up, try 15 drops of Babuna thirty minutes before going to bed, followed by 15 drops of Amantilla at bedtime.
Valerian. Look for valerian (Valeriana officinalis) in capsule form, as it has a bad taste. The dosage is 150–300 mg of a product standardized to 0.8% valerenic acid. Use one hour before bedtime.
Melatonin. Melatonin is secreted by the brain’s pineal gland in response to cycles of light and darkness. It helps your body regulate its sleep-wake cycles, so it can be good for travel-related insomnia. Natural melatonin secretion is also affected by depression, shift work, and seasonal affective disorder (SAD). The usual dose is 0.5–3.0 mg, taken one hour before bedtime.
5–HTP. 5-HTP (5–hydroxytryptophan) increases serotonin, which is converted to melatonin. This is why 5-HTP may be helpful for sleep pattern disruption, as well as PMS and seasonal affective disorder (SAD). The starting dose is 100 mg, three times per day. Gradually increase over several months to 200 mg, three times per day.
Magnesium. Magnesium deficiency is associated with insomnia. Most people, especially women, have less-than-optimal magnesium levels. If you experience restless sleep or wake up frequently during the night, adding magnesium may help you sleep more soundly.
Magnolia bark. In Traditional Chinese Medicine, magnolia bark is used to promote relaxation and sleep, as well as to ease anxiety and stress by lowering adrenaline. Research shows that magnolia bark can reduce the time it takes you to fall asleep and can increase the amount of time you spend in both REM sleep and NREM sleep. For people with anxiety, magnolia bark can be as effective as the drug diazepam without the risks of dependency or side effects. The standard dosage is around 250 – 500 mg daily with a higher dosage recommended for improving sleep.
L-Theanine. This amino acid found in tea leaves increases the levels of GABA, serotonin, and dopamine – calming neurotransmitters in the brain that regulate emotions, mood, concentration, alertness, sleep, and energy. Increased levels of these chemicals help with sleep, as well as menopause-related mood swings, difficulty concentrating and changes to appetite during menopause.
Be sure to avoid prescription and over-the-counter sleep medications. They are habit-forming and lose their effectiveness over time as the brain builds up a tolerance so that you need more and more to get the same effect. If you do use them, make sure you use it for no longer than 7 to 10 consecutive days. Over-the-counter sleep remedies are troublesome, too, because they interfere with the production of the brain chemical acetylcholine, which is very important for memory. The use of these drugs over time can cause serious memory problems and confusion
Your circadian rhythm is your 24-hour internal clock. It helps to determine your sleep-wake patterns, as well as physical, mental and behavioral differences throughout the day. You’re your circadian rhythm even affects your metabolism.
As you grow older, your circadian rhythm changes so many people experience a decrease in the length and quality of sleep. This may result in feeling tired and even experiencing cognitive decline later in the day. And studies show that disruption of the circadian rhythm is linked to obesity, mood disorders, cardiovascular disease, and even cancer.
Fortunately, you can overcome age-related circadian rhythm changes with a few simple strategies. Here are 3 ways you can reset your circadian rhythm and keep it on track so you experience better sleep:
Remember, persistent sleep problems are often messages from your inner guidance system that something is off balance in your life. You need to address the imbalance directly before you can truly have quality sleep
Are you getting quality sleep? What are some of the things you do when you have trouble sleeping?
For more information check out www.drnorthrup.com
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