Feeling hot in bed is common and often due to your sleep environment (room temp, bedding), pre-sleep habits (alcohol, exercise), hormonal changes (menopause, pregnancy, PMS), stress/anxiety, or certain medications, with underlying issues like infections, sleep apnea, or thyroid problems also being potential causes, so check your routine and environment first, but see a doctor for persistent issues.
In fact, sleeping hot is one of the most common sleep complaints. That's because there are a lot of things that might be contributing to overheating, including your room temperature, your choice of bedding, your pajamas, your pre-bed activities, potential hormonal changes, and the list goes on.
It's normal to sweat during the night if the room or your bedding is making you too hot. Night sweats are when you sweat so much that your night clothes and bedding are soaking wet, even though where you're sleeping is cool. Adults and children can get night sweats.
Infections—Bacterial infections like endocarditis (inflammation of the heart valves) and osteomyelitis (inflammation within the bones) may result in night sweats, with tuberculosis being the most common infection associated with the condition.
First, make sure your bedroom is cool by keeping the curtains closed during the day and opening windows at night. Take a warm shower before bed to lower your body temperature. Warm shower dilates blood vessels and keeps your cooler. Wear light and moiture wicking clothing to bed. You can also use a fan to keep the air.
If you're wondering, “Why do I get hot when I sleep?” your hormone levels may be the culprit. Hormonal changes can affect the way your body regulates its temperature. Fluctuations in hormones like progesterone, testosterone, and insulin can increase blood flow to the skin, making you feel warm when you sleep.
The 3-2-1 bedtime method is a simple sleep hygiene strategy: stop eating 3 hours before bed, stop working 2 hours before bed, and stop using screens (phones, tablets, TVs) 1 hour before sleep, helping your body transition to rest by reducing stimulants and digestive load for better sleep quality. A more detailed version adds 10 hours (no caffeine) and 0 (no snoozing) for a 10-3-2-1-0 rule.
Functional vitamin B12 deficiency is common and a major cause of morbidity. It can manifest with a wide variety of symptoms including fatigue and drenching night sweats. Low threshold should be kept to measure markers of vitamin B12 deficiency in patients presenting with these symptoms.
The first signs of perimenopause often involve changes to your menstrual cycle, such as irregular periods (longer, shorter, heavier, lighter, or missed periods), alongside common symptoms like hot flashes, night sweats, sleep problems, mood swings (anxiety/irritability), and vaginal dryness, all due to fluctuating estrogen levels. Other early signs can include forgetfulness, brain fog, changes in libido, headaches, sore breasts, or increased joint/muscle pain.
Getting hot during sleep is normal and often has a quick fix. However, some people experience night sweats. Night sweats refer to when the body excessively sweats during the night. They are hot flashes that happen during sleep that are unrelated to the overheated environment you sleep in.
High blood pressure doesn't usually cause sweating. However, a rare tumour called pheochromocytoma can cause both high blood pressure and sweating. Should I wipe my sweat during exercise? Sweating helps you cool down, so if you want to feel cooler, do not wipe your sweat off.
Clonidine. Clonidine is a prescription medicine that can help reduce hot flushes and night sweats caused by menopause. You take it as tablets 2 times a day. It does not affect hormone levels, so unlike HRT it does not increase the risk of breast cancer.
If you don't drink enough water during the day, your body may struggle to regulate your temperature at night. Consequently, dehydration can lead to a rise in body temperature, which sets off sweating. Conversely, night sweats can also contribute to dehydration, especially if they're frequent or severe.
On the other end of the spectrum, an overactive thyroid called hyperthyroidism can cause you to feel hot. When the body produces too many hormones it can affect the regulatory system and cause you to overheat.
Why do some people radiate more heat at night than others? If the exterior conditions are the same for both partners and one of them radiates more heat than the other, this can be due to: Hormonal differences and changes. Stress and anxiety levels.
Perimenopause, the transition to menopause, typically starts in a woman's mid-to-late 40s, but can begin as early as the mid-30s or even earlier, and usually lasts for about four to eight years before menopause (the final period) occurs around age 51. Average onset varies, with some sources pointing to age 46, but it's a highly individual process, influenced by genetics and lifestyle.
Perimenopause, the transition to menopause, is often broken down into four overlapping stages focusing on menstrual cycle changes: the Late Reproductive Stage (slight cycle variations), Early Perimenopause (cycles vary by 7+ days), Late Perimenopause (cycles 60+ days apart, skipping periods), and finally, Menopause (12 months without a period), marking the end of perimenopause's hormonal fluctuations. Symptoms like hot flashes, mood swings, and brain fog can appear in any stage, though they often intensify in later stages as hormone drops become more significant, especially progesterone.
We recommend chelated magnesium, such as magnesium glycinate. It's well known that good vitamin D status is critical for bone health, which becomes critical in perimenopause and menopause. However, vitamin D is also involved in immunity, blood sugar regulation, and genetic expression.
Autoimmune Diseases
Excessive sweating is a common symptom of autoimmune disorders such as rheumatoid arthritis, vasculitis, and lupus. Those with lupus are at higher risk of additional autoimmune diseases.
Symptoms of vitamin B12 or folate deficiency anaemia
Research has shown vitamin E can reduce hot flushes and night sweats. Food sources: evening primrose oil, almonds, sunflower seeds, avocado, spinach, chard, squash, trout.
Yes, the Navy SEAL sleep trick (an 8-minute power nap with elevated legs) is a real technique for quick rest, popularized by former SEAL Jocko Willink, that helps improve alertness and reduce fatigue, though its effectiveness depends on individual relaxation skills and it's not a substitute for full nighttime sleep. The method involves lying down, elevating your feet above your heart (on a chair or couch), relaxing facial muscles, dropping shoulders, and clearing your mind for about 8-10 minutes to promote relaxation and blood flow, preventing grogginess.
My personal routine is get ready for bed at 10pm (I sleep a lot so this can seem quite early), which involves: *taking meds *brushing teeth *unplugging everything in the house *Tidying room *preparing bags for the next day (although this could be part of a morning routine too) *getting into pyjamas *hanging clothes up ...
Signs of poor core sleep (deep, restorative sleep) include waking up foggy, daytime fatigue/energy crashes, poor concentration, irritability, frequent illness, memory issues, and mood swings, indicating your brain and body aren't fully repairing and consolidating memories. You might also experience increased sugar cravings, slow muscle recovery, and a weakened immune system.