Who slept 15 minutes every 4 hours? Leia mais: Who slept 20 minutes every 4 hours
Leonardo da Vinci’s
Leonardo da Vinci's sleep schedule included 20-minute naps every four hours. Da Vinci followed an extreme form of a polyphasic sleep schedule called the Uberman sleep cycle, which consists of 20-minute naps every four hours.
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That's a bad idea, Kushida says, since adults need at least 7 hours of sleep in 24 hours. There can be major consequences if you cut back, he says.According to his biographer, Nikola Tesla slept no more than two hours a night.
WHO recommended 8 hours of sleep
National Sleep Foundation guidelines1 advise that healthy adults need between 7 and 9 hours of sleep per night.
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Recommended Sleep Times By Age Group.
| Age Range | Recommended Hours of Sleep | |
|---|---|---|
| Adult | 26-64 years old | 7-9 hours |
| Older Adult | 65 or more years old | 7-8 hours |
