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Six reasons why you might be having night sweats

-May 7, SARA PALMER HUSSEY, Health -

When opening a window or wearing thinner nightwear doesn’t work there are fixes which might help you get some proper sleep if you're having night sweats.

As the warmer weather arrives and we have that typical Springtime discussion about whether it really is time to lose the winter duvet, feeling a bit sweaty in the night is normal. But if you have been burning up and waking up drenched in sweat all winter too, trying to get a good night’s sleep can feel impossible. When opening a window or wearing thinner nightwear doesn’t work it can feel impossible to get a handle on the problem. But there are fixes which might help you get some proper shut eye again.

Stress related night sweats

Stress is probably one of the most common causes of night sweats.  “You can help to manage stress and anxiety with healthy habits like relaxation and breathing techniques, daily exercise – even if it’s just a walk around the block – and mindful meditation,” advises Dr Rupert Mason. Yoga, running, and reading are also great stress relievers. But remember- all things in moderation. “If you over-exercise you may run the risk of losing the benefit of your stress relief.”

For more: Dr Rangan explains everything you need to know about stress.

Too much or badly timed exercise can make you sweaty at night

When you exercise your body creates heat which it stores in its core and gradually loses it over a period of time. However, if you increase your exercise levels to levels of intensity similar to athletic training then the body finds that it can’t give up the extra heat whilst you are still active so chooses to get rid of it when you stop exercising – when you go to sleep! “This can be a particular problem for professional athletes,” says Dr Mason.  

“Don’t give up the exercise, just tone it down a bit.” Or try moving cardio to the mornings and yoga and Pilates to the evenings.

Is your bedding give you night sweats?

Did you consider your bedding as a major cause of you overheating in bed? “When you overheat, perspiration and heat are transmitted from your body to the nearest surfaces that you are in contact with – the sheet and pillow case that you are resting on,” explains Dr Mason. “If these surfaces can’t disperse the perspiration  quickly and efficiently then they will remain in close contact with you, leaving the sleep surface hot and damp. This will, in turn disturb your sleep.”

Even high thread count cotton and silk sheets, designed for softness can leave you overheating as the close weave of the fibres, which are responsible for the softness also serve to trap heat and moisture within the fabric because there are no pores within the fabric for the air and moisture to pass through. Just like a parachute, these fabrics trap air and moisture on one side and prevent it dissipating. 

Look out for modern synthetic fibres which are designed to wick away moisture, creating a smooth, fresh surface that stays cool and dry, like DermaTherapy bedding which was initially developed for hospital use to prevent pressure sores. 

Alcohol – and no booze – can trigger night sweats

Strangely enough, both too much alcohol and withdrawal from regular alcohol can lead to night sweats. This can be regardless of whether you are a regular drinker or just have the occasional tipple. “Alcohol affects the central nervous system, the circulatory system, and virtually every part of your body,” explains Dr Mason. “Drinking can increase your heart rate and widen blood vessels in your skin, triggering perspiration.” If you have night sweats but you haven’t consumed alcohol recently, and you’re a regular drinker, it may be a sign of alcohol withdrawal. 

“Your body loses a lot of moisture when you sweat profusely, so it’s important to replenish fluids by drinking plenty of water,” advises Dr Mason. “You can also rinse your skin to remove excess salt from dried sweat, change your sheets before you get back into bed and keep your bedroom at a comfortable temperature.”

Why not read: Expert tips to banish booze

Your night sweats could be a sign of illness or a reaction to medication

Night sweats may be related to illness or some medicines used to treat illness. The type of illness that is most commonly associated is a viral infection such as a respiratory infection or influenza. “The infection causes the body temperature to rise which precipitates the sweats,” says Dr Mason. “Occasionally night sweats can be a sign of more serious diseases such as diabetes or over active thyroid but these are usually associated with other more debilitating symptoms.”

If you are concerned about your general state of well-being including your sweating it is sensible to consult your doctor who may want to check that there is no serious underlying cause. If you’ve started a new prescription medication at around the same time that your night sweats began, it may not be  a coincidence. Some medications such as antidepressants, can trigger night sweats as a side effect, so if you are on regular medication it is also worth checking with your doctor whether it is contributing to the problem.  

Is your mattress making you overheat at night?

Over the past two decades advances in technology have created new methods of cradling our bodies during sleep and, perhaps the most significant development has been the memory foam mattress. The material conforms to your body shape which provides a snug comfort but does not allow much air to circulate around you. 

“Some people may find this too claustrophobic and it makes them feel hot and clammy as a result,” says Dr Mason. “Plastic undersheets are often used to protect mattresses particularly in hotels and these can cause some people to feel excessively hot at night.”

If you need to fake it till you make it, these tips will help you look rested when you’ve had less sleep than you would like. And if you are feeling stressed and have tried relaxation techniques, could a nutrient imbalance be the problem?

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