>modern scientists say da Vinci's Uberman sleep cycle is unhealthy and doesn't work
>he lived to 67 and had countless more time to work and produce his masterpieces
Well, who is right? And is it really called the Uberman cycle?
>he lived to 67 and had countless more time to work and produce his masterpieces
Well, who is right? And is it really called the Uberman cycle?
