Science has invaded the bedroom yet again and this time the geniuses claim sleeping with fewer clothes on and better yet, sleeping naked, aids in deep sleep and has a lot of health benefits.

Who knew?

As a person sleeps, his body tries to lower its temperature by about a half degree. With fewer clothes on, the body's better able to regulate its temperature without interruption. This allows a person to sleep undisturbed.

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According to U.S. National Sleep Foundation, one in every three adults sleeps au naturel.

People need deep sleep because of its key role in cell repair and growth. This kind of sleep restores our body physically and mentally. People lacking undisturbed sleep may suffer from tiredness, depression, fatigue and a weak immune system.

The Netherlands Institute for Neuroscience conducted a study that showed how body temperature affects sleep. Volunteers wore suits that allowed researchers to control their skin temperatures.

Raising the skin temperature by 0.4°C made the volunteers less likely to wake-up. Researchers said warming the skin caused blood vessels in the hands and feet to widen, causing heat to be lost more easily.

For people who just can't sleep without their comfy clothes, brushed cotton pajamas may be a good idea. George Havenith, a professor of environmental physiology and ergonomics, says this kind of clothing "provides a warmer feel" and "will feel better in bed".

Adults need 7 to 8 hours of sleep to stay healthy and do tasks efficiently. According to the National Health Interview Survey, almost 30 percent of adults slept less than 6 hours.

The main reasons behind sleep deficiency are concentrating too much on things, sudden ideas coming to mind and financial affairs.

Insufficient sleep may start as an inconvenience but may lead to more serious illnesses like hypertension, diabetes, obesity and cancer.

Tagssleep, sleep deficiency, sleeping naked, sleep hours