coulomb

It is built with Rails. The design is good enough for now, not amazing but not bad either. We'll certainly iterate on it over time.

Try researchfields.com -- HN-like site dedicated to researchers and grad students for discussing that sort of thing.

I've heard that the amount of sleep you need is a genetic thing. But is that true? Does anyone know what the main research articles are for that?

And has anyone ever significantly changed the amount they need by lifestyle changes (like daily exercise)?