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What are the benefits of cool sleep?Cooling the brain helps you fall asleep! Your circadian clock keeps your body at its warmest during the day for high-level functioning and its coolest during the night for dozing off. Researchers from the University of Pittsburgh School of Medicine reported that a primary cause of insomnia is hyperactivity in the brain’s frontal lobes at night. This activity increases the brain’s temperature making it difficult to fall asleep. Cooling your head at night can help slow down this activity and allow your brain to rest. Falling asleep may simply be a matter of cooling off. How long does the PolarPillow take to feel cool?The PolarPillow will begin releasing coolness onto a human body within about 10 seconds after contact is made. Do I need to put the PolarPillow in a refrigerator to make it cool?No. The PolarPillow keeps cool on its own by absorbing coolness from the air and then releasing it onto a human body when contact is made. You will need to put the PolarPack into the freezer prior to use if you want your pillow to have turbo-charged coolness. Which is the cool side?Both sides are cool! Do I use a pillowcase over the PolarPillow?Yes, we recommend using a pillowcase so the pillow can blend in with your bedding decor and keep the pillow clean. A pillowcase will also make the coolness feel more subtle and extend the amount of time the pillow stays cool. PolarPillow is smaller than a standard pillow, but can still fit sideways into a standard pillowcase quite nicely (just tuck the remaining material under the pillow). Why is the PolarPillow so heavy?The PolarPillow is heavier than a normal pillow due to the weight of the liquid gel that keeps it cool. It has been determined that approximately 200 ounces of gel is optimal to maintain maximum coolness. How long does the PolarPillow stay cool?When using the turbo-cooling pack, the PolarPillow will stay cool for several hours. Without the PolarPack it can stay cool for over 30 minutes in standard room temperature conditions. After you finish using the pillow in the morning and it is re-exposed to the air, PolarPillow only takes about 30 minutes to revive itself for the next use. How do I clean the PolarPillow?The PolarPillow should be hand-washed or spot cleaned only. We do not recommend putting the pillow in the washing machine. You may use a standard pillowcase on the PolarPillow and wash the pillowcase. Have the materials in the PolarPillow been tested for safety?Yes. The materials in the PolarPillow have undergone extensive quality control testing and are safe for use. The gel is completely non-toxic. Where are PolarPillows made?PolarPillows are manufactured in the United States. |

