Have you ever heard someone say, “Sleep is a waste of time?” Maybe you’ve even said it yourself. Ever heard someone say they pulled an “all-nighter” to finish a school or work project? It’s easy to do that when you’re crunched for time and a deadline is breathing down your neck. But, sleep is a basic need for our survival!
I listened to the Ted Radio Hour podcast where Russell Foster talked about the three common explanations for why we need sleep. (https://www.npr.org/programs/ted-radio-hour/399796647/maslows-human-needs).
Theories of Our need for Sleep
Most people believe that we need to sleep to conserve energy, but research shows that we only save about 110 calories a night. Foster says this is equivalent to one hot dog bun!
The second theory is that we need to restore and rebuild. There’s evidence to show that certain genes in the brain are only turned on during sleep.
The final, and most followed idea, is (more…)