Correlation Sleep and Colds | Cold-Q™

Photo Source: The Guardian, Photograph: Alamy

Why you get a cold when you don’t get enough sleep

Mommy always said: a good night’s sleep will keep me healthy and alert. Now mom’s advice is not only right, but it’s been scientifically proven. 

Not enough sleep, and you’re more likely to get a cold. That’s right, there is a direct correlation between lack of sleep and colds.

In a U.S. led sleep study tests on men and women reveal those who sleep six hours or less a night are more than four times as likely to contract a cold virus as those resting for seven or more hours.

By: David DiSalvo

Researchers have shown that sleep-deprived people are more than four times more likely to catch a cold than those who get a satisfactory amount of sleep.

The study began by carefully tracking sleep data from 164 healthy people for one week. In addition to asking participants to record the times they went to bed and woke up, the research team also used a wrist device (similar to a Fitbit) to monitor movement during the night, indicating how much time each person spent truly asleep or drifting in and out of wakefulness. By subtracting wakeful periods from total sleep time, the researchers narrowed down a decent average amount of sleep per night for each participant.

The second part of the study got about as invasive as an experimental study can get – the researchers quarantined the participants in a hotel and gave them nose drops containing rhinovirus, better known as the common cold. They then closed the hotel off for five days and watched what happened.

Just to make sure that participants weren’t already in the throes of developing a cold, the research team administered blood tests for rhinovirus antibodies before doling out the nose drops. Participant with antibodies in their blood—a sign that they were already starting to fight off a cold—were removed from the study. A randomly selected control group (40 of the 164 participants) were given neutral nose drops.

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