It is normal for the body to produce sweat, whether in adults or children. Sweating has many benefits when it occurs at a normal rate; it helps regulate body temperature and get rid of excess heat. Sweating increases noticeably during the summer, while it almost disappears in winter, as it is closely linked to higher temperatures. It also helps the body eliminate toxins and harmful salts, acting as a natural filter through the skin.
However, a child may sometimes experience excessive sweating, which can be concerning. In many cases, it may still be normal and not a cause for worry. Pediatric specialist Dr. Abeer Moussa explains the reasons behind excessive sweating during sleep, when it is normal, and when it may require attention.
Natural causes of sweating in children
Intense crying can lead to fatigue and increased sweating.
Sleeping in a hot, poorly ventilated room raises body temperature, prompting sweating as a cooling mechanism.
Overdressing the child or using heavy blankets—especially in warm weather—can increase sweating.
Deep sleep and lack of movement, especially in infants, can make them feel warmer and sweat more.
What is localized (peripheral) sweating?
You may notice that your child sweats more in specific areas like the head, neck, hands, or feet—even in cooler weather. This is usually normal, especially in infants, due to increased blood circulation in certain areas. It can last up to one year of age, and sometimes even until four years, without being a health concern. The concentration of sweat glands on the scalp explains why the pillow may appear wet.
When sweating may be a sign of a problem
You should be concerned if excessive sweating is accompanied by:
Significant weight loss
Poor feeding or difficulty breastfeeding
Cold hands and feet despite normal body temperature
Unusual fatigue or lethargy
Loud snoring or difficulty breathing during sleep
Rapid breathing or shortness of breath
In some cases, excessive sweating may be linked to conditions such as sleep apnea, heart problems, thyroid disorders, blood sugar issues, or infections causing fever.
Tips to reduce excessive sweating during sleep
Keep the child’s room at a comfortable, well-ventilated temperature.
Dress the child in light, breathable cotton clothing.
Establish a calming bedtime routine, such as washing feet, brushing teeth, or reading stories.
Ensure the room is quiet, dimly lit, and free of distractions.
Consult a pediatrician if sweating persists despite these measures.
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