In today's digital age, smartwatches have become indispensable tools for monitoring various aspects of our health, including our sleep. These nifty gadgets can provide insights into our sleep patterns, breaking them down into different stages: REM sleep, light sleep, deep sleep, total sleep time, and wake time. But how exactly do they accomplish this? And how much of each sleep stage does our body actually need?
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Have you ever wondered what happens to your body while you sleep? While it may seem like a time of rest and relaxation, sleep is a dynamic process characterized by distinct stages that serve various functions. One essential aspect of monitoring and understanding your sleep stages is your heart rate.Â
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