Getting skin damage from the sun can also heighten dehydration. When the sun's rays beam down on your skin, it can cause pigmentation changes, wrinkles and burns. Sunburns impair your body's ability to regulate its temperature, she said. What's more, when you sunburn, your body diverts fluid from the rest of the body toward the burn in an attempt to heal the skin.
This diversion means you have less fluid overall for sweating, which can lead to more dehydration and fatigue, Casey said. Often, people who are feeling hot might try to cool down with a cool drink, such as alcohol.
But alcohol is a diuretic, meaning it may only increase dehydration, Casey said. Coffee, on the other hand, is actually not a diuretic , according to recent studies. But the best way to fight dehydration is with water and a salty snack, such as pretzels or baked potato chips, Casey said. She advised people to be aware of the symptoms of heat exhaustion : sweating heavily, having a rapid pulse and feeling faint or sleepy.
Heat stroke is a more serious condition, in which the body's core is degrees Fahrenheit This condition requires emergency treatment, as it can lead to damage to the brain, heart, kidneys and muscle. To keep yourself from getting dehydrated, drink sufficient water to provide your body with the hydration it needs.
The body has its own mechanism of keeping cool. Through the sweat glands, the body gives out heat in order to keep cool and regulate body temperature. The body expends energy in order to keep cool, and the more we sweat, the more energy we lose, leading to fatigue and sleepiness.
The same thing happens when we are engaged in any strenuous physical activity like running or lifting weights.
The purpose of sweating is to keep the body temperature consistent and prevent overheating. There are times when heat is actually comforting. Sometimes a lack of energy and enthusiasm lethargy can be a sign of winter depression. Known medically as seasonal affective disorder SAD , it affects around 1 in 15 people, but it can be treated. If your tiredness is severe and present all year round, you could have chronic fatigue syndrome. Your tiredness may also be linked to a condition like anaemia , or a long-term infection that your body is trying to clear.
If your tiredness is stopping you from going about your normal life, or goes on for a long time, you should talk to a GP. Page last reviewed: 28 August Next review due: 28 August How to get to sleep 10 tips to beat insomnia How to stop snoring. Healthy sleep tips for children How much sleep do children need?
Sleep tips for teenagers. Let in some sunlight As the days become shorter, your sleep and waking cycles may become disrupted. Get a good night's sleep Getting enough undisturbed sleep is vital for fighting off winter tiredness.
Find out how to get a good night's sleep 3. Get regular exercise Exercise may be the last thing you want to do when you're feeling tired on dark winter evenings. Winter is a great time to experiment with new and different kinds of activity. Many potential illnesses can lead to an increase in body temperature or cause night sweats. Infectious diseases that can cause elevated body temperature include:.
Many potential factors can make you feel hot when trying to sleep. In some cases, you may feel hot because your room is too warm, or your bedding is too thick.
Certain medications or underlying medical conditions can also contribute to feeling too hot. Sleeping difficulty is when you have trouble sleeping at night. Learn what causes sleep issues and how they may be treated. Sleep disorders are conditions that affect the ability to sleep well on a regular basis.
Learn about sleep disorder symptoms, types, and treatment. This article lists 17 evidence-based tips to sleep better at night. Getting good sleep is very important for optimal health. CBD may help you get some sleep at night. Read on to learn about current research and how to use CBD for insomnia.
Experts say you can prepare for the end of daylight saving time for days in advance.
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