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A good point to take away is the concept of "free running sleep". Going to sleep only when you are tired and waking up only naturally. The author says this is a
by ngokevin 14y ago
A good point to take away is the concept of "free running sleep". Going to sleep only when you are tired and waking up only naturally. The author says this is a way to feel refreshed every day waking up.
- daenz 14y ago> The greatest shortcoming of free running sleep is that it will often result in cycles longer than 24 hours. This eliminates free running sleep from a wider use in society.