The Architecture of Sleep
If you have ever been suddenly woken up, deep into the night, you’ll know it’s a very disorientating experience. When you wake up naturally, you rouse gently in a less confused state. This is because in these separate instances you have woken up in different stages of sleep. Sleep has two main states, these are defined by the movement of our eyes: non-rapid eye movement (NREM), rapid eye movement (REM). Having the correct proportions of eac
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