Why Some People Always Feel Cold at Night

If you tend to bundle up under several blankets every night while others sleep peacefully, you are not alone. Feeling cold during sleep is common, and several biological and environmental factors can explain it.

Metabolism and Blood Circulation

Body temperature is closely linked to metabolism. People with a slower metabolism generate less heat, which can lead to stronger sensations of cold at night. Likewise, less efficient blood circulation may prevent warm blood from reaching the extremities, leaving hands and feet feeling cold.

Sex and Age

Some studies show that women tend to feel cold more easily than men, partly due to hormonal differences and variations in muscle and fat distribution. In addition, older adults often experience changes in thermal regulation, which can lead to cooler nights.

Body Temperature and the Sleep Cycle

Body temperature naturally decreases during the night to promote falling asleep and deep sleep. In some people, this drop is more pronounced, which can create an intense feeling of cold—especially if the bedroom is already cool or poorly insulated.

Diet and Hydration

Insufficient or unbalanced nutrition can reduce the body’s ability to generate heat. Dehydration can also affect circulation and make extremities feel colder. A balanced evening meal and proper hydration are therefore important for maintaining nighttime comfort.

The Influence of the Environment

Room temperature and humidity play a key role. A bedroom that is too cold, poorly heated, or affected by drafts naturally increases the sensation of cold. Suitable bedding—such as breathable yet warm duvets, thermoregulating sleep sacks for babies, or insulating pillows—helps regulate warmth and maintain optimal comfort.

The Role of Clothing and Textiles

Nightwear and bed linens also influence how cold you feel. Natural fibers, such as organic cotton or wool, are breathable and thermoregulating, providing warmth without causing overheating. Synthetic textiles, on the other hand, may increase sensations of cold or uncomfortable sweating.

Tips for Sleeping Warmer

To reduce cold nights:

• Choose bedding suited to the season
• Wear comfortable nightwear
• Maintain a stable bedroom temperature (18–20°C / 64–68°F)
• Prefer natural textiles for sheets and duvets

By understanding the factors that influence the sensation of cold, it becomes possible to create a more comfortable sleeping environment. Even if some people are naturally more sensitive to cold, the right bedding and nightwear choices can make a significant difference for warmer, more restorative nights.

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At Zizzz, our mission is to improve quality of life by promoting good sleep as an essential component of overall well-being.

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