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The Science of Sleep

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Ever wonder why we wake up when the sun rises and fall asleep when it sets? It actually goes back to cave-man times! Before artificial light and temperature-controlled rooms, we fell asleep as the sun set. Our bodies cooled as the ground and air became cooler through the night. When the sun rose, our bodies gradually warmed and we woke naturally, feeling refreshed.

This fluctuation in light and temperature is part of your circadian rhythm, which is your body's internal clock and is what allows you to feel more rested in the morning. For a detailed report on the effects of temperature and sleep, please see Skin Deep: enhanced sleep depth by cutaneous temperature manipulation.

The Health o meter™ nuyu™  Sleep System is the first Bluetooth® technology connected Sleep System to feature a sleep mat that cycles through comfort-based sleep temperatures through the night to work like our body's natural circadian rhythm.