Easiest Way to Stop Insomnia ASAP – The #1 Trick That Anyone Can Do (Safe & Effective)!

By on February 20, 2017
Many factors affect the quality of our sleep cycle. Now there’s another reason why it’s becoming increasingly hard to doze off–and it has to do with something we all use.

In research led by scientists at the Toyohashi University of Technology, they found that using the air conditioner (AC) at a mean airflow velocity of 0.14 m/s, considered barely detectable, caused people to wake up more often during the night. This directly increased their heart rate as well, which had an adverse impact on their sleep cycle.

Researchers explain their findings below, now appearing in Energy and Buildings:

“The research hypothesis was that a higher air velocity of airflow disturbed human sleep more than a lower air velocity of airflow. When a further analysis of the simultaneity of airflow and physiological responses had been performed, the number of times body movements, the number of times heart rate increased., and the number of times some sleep stages changed to the stage of wakefulness due to varying airflow in [A] were significantly higher than those in [B].”

The Research

For the study, researchers split up a group of male participants into two smaller groups, assigning them to a room cooled with an air conditioner.

Although both rooms were cooled at the same temperature, they emitted different velocities of air. One air conditioner produced 0.14 m/s [A] of mean velocity, commonplace among general air conditioners, whereas the other produced only 0.04 m/s [B] through a customized setting.

The participants slept in each assigned room before researchers collected information on their vitals.

Not surprisingly, the participants reported feeling cooler in the room with the higher airflow velocity. However, after collecting data on their level of comfort, sleep length, skin temperature, and sensitivity to temperature changes, they found there was no  difference.

In addition, they found higher airflow velocity air conditioners also had an unintended effect. The participants in this room had a higher resting heart rate, increased body movements, and woke up more frequently, reducing their sleep quality. They also had more difficulty achieving deep sleep, critical for optimal sleep hygiene.

The conclusion? Using your air conditioner at its regular setting, regardless of the actual temperature it maintains, makes it harder for people to sleep well.

“A higher velocity of airflow had a negative influence on sleep even though the average air velocity was less than 0.2 m/s,” write researchers. “The subjects significantly felt more of the airflow and cooler at [A] than at [B] although comfort sensation did not differ significantly.”

What This Means For You

Having trouble getting enough sleep? Aside from quitting caffeine and maintaining a regular sleep schedule, consider cooling yourself at night with an air conditioner emitting an air velocity lower than 0.04 m/s. If that’s not possible, however, consider cooling yourself off using alternative methods–such as running a portable fan in your room or even just leaving the windows open.

Readers: What are your tips and tricks for overcoming sleeplessness? Let us know in the comment section below!

Using an Air Conditioner in Summer May Affect Sleep
Effects of Two Kinds of Air Conditioner Airflow on Human Sleep and Thermoregulation (Study)

About The Author: Health Cracker

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