What are the stages of sleep? How to take the perfect nap?
Our sleep, both at night and in naps, is made up of approximately 90 minute sleep cycles with four stages each. A nap can last anywhere from five minutes to three hours, so it can […]
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Our sleep, both at night and in naps, is made up of approximately 90 minute sleep cycles with four stages each. A nap can last anywhere from five minutes to three hours, so it can […]
- 5 mins
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7 months
- 668 words
Tagged nap, perfect, rem, Sleep, stages