The Science of Sleep
Dr. Matthew Walker, a neuroscientist and sleep expert, explains that sleep is an active process vital for our health. Sleep cycles consist of different stages, each serving specific functions:
- Non-REM Sleep: Divided into four stages, with stages 3 and 4 being the deepest and most restorative.
- REM Sleep: Associated with dreaming and crucial for cognitive functions.
During these cycles, our bodies undergo various processes, including hormone regulation, memory consolidation, emotional processing, and physical restoration.
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