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Blog posts of '2017' 'February'

What Are the Stages of Sleep?
What Are the Stages of Sleep? Sleep is not a single activity, but an ongoing cycle where your brain and body work in concert to refresh and renew themselves. You might have heard of sleep cycles, or the different stages of sleep. There are even apps that claim to track your sleep cycle, recording the quality of your sleep and waking you when your sleep is lightest.