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What are Sleep Cycles, and how long do they last every night? Each night, your body goes through multiple sleep cycles, passing through various sleep stages. People typically pass through four to five sleep cycles per night, each lasting for about 90 to 120 minutes. At the end of each sleep cycle, there is a brief awakening. Most people don’t remember these awakenings the following day, but they are a normal part of sleeping. They allow you to use the toilet or shift position for comfort. These

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