Based on the average 8 hours of sleep per night stretched over the course of a lifetime, we sleep during approximately a third of our lives! It seems like a lot of time, but we must recall that sleep is essential for us to be able to function normally in the waking hours. So if you live to be 100 years old, that means you will have spent 33.3 years of your life sleeping!
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how much time do we spend sleeping
We spend about 1/3 of our day sleeping, and surprisingly that means we spend a third of our life sleeping. People need sleep and they need enough sleep to be healthy individuals. You can die quicker without sleep than you can without food.