On the Coast – Over 55 Issue 28 I March/April 2019 | Page 14

Insomnia by Dr Samantha Pethen N ot sleeping well? You’re not alone! So, get your pyjamas on, make yourself a hot chocolate, snuggle in and have a look at this article! Up to 40% of older adults experience common (and normal) sleep issues. These include light sleep, frequent waking and daytime fatigue. There is also a decrease in the deep sleep stage and an increase in periods of wakefulness through the night. As we age, ‘advanced sleep phase syndrome’ sets in, this creates earlier ‘to bed’ and ‘wake up’ times. While it’s normal for sleep to change as we age, it remains important that we make sure we are still getting good quality sleep. It is well known that not getting enough will affect our immunity and increases the risk of heart disease and type two diabetes. By changing hormones that regulate our metabolism and appetite, poor sleep can also contribute to weight gain. Some common health conditions can disrupt sleep, which when identified can often be easily rectified. These include; ƒ ƒ heart and lung conditions which can affect breathing 14 S E N I O R S O N T H E C OA S T Some common health If it causes persistent issues, conditions can it is known to disrupt sleep, which have an impact on depression, anxiety, when identified can and fatigue. Some people do often be easily still seem to rely on rectified. medication, such as ƒ ƒ pain, caused for example by osteoarthritis ƒ ƒ urinary issues, for example, an enlarged prostate or irritable bladder leading to frequent urination. ƒ ƒ sleep apnoea is a common diagnosis and important to identify. This causes frequent pauses in breathing while asleep and likely snoring as well. It is diagnosed by a sleep study and often responds well to using a CPAP machine. ƒ ƒ restless legs syndrome causes unpleasant itching, crawling or restlessness of the legs as a person is trying to fall asleep. It is poorly understood, but seems to be related to dopamine and iron levels. These conditions can all be explored, explained, and largely managed by your GP. The most common cause for disturbed sleep by a long way, is insomnia. One study showing up to 25% of older adults report symptoms of insomnia. Simply put, all this means is difficulties falling, or staying, asleep. temazepam, which need a prescription from your GP. These are bad to take long term, causing issues with daytime confusion, an increased risk of falling, and the risk of addiction. The good news is, 63% of people, who slowly taper down, with medical supervision can be tablet free in seven weeks. Some may take longer. Melatonin is felt to be less risky than these medications, and there are some studies which support its use. It is a hormone which helps in the sleep-wake cycle and does not seem to cause issues when you stop taking it. It can be bought over the counter, but some studies have found that commercially sold supplements are not as good in purity or quality as the melatonin available by prescription. Herbal supplements are often tried to help with the onset of sleep. The most