Piotr Wozniak advocates a similar formula [0]: > There is only one formula for healthy and refreshing sleep: Go to sleep only when you are very tired. Not earl

Piotr Wozniak advocates a similar formula [0]: > There is only one formula for healthy and refreshing sleep: Go to sleep only when you are very tired. Not earlier. Not later. Wake up naturally without an alarm clock. [0] https://supermemo.guru/wiki/Formula_for_good_sleep:_free_running_sleep https://supermemo.guru/wiki/Formula_for_good_sleep:_free_run...