check out steve deckert's musings on his site www.decware.com. great stuff, some speculative, about late night listening.
it has to do with fewer draws on the power grid from the general public at night; more relaxed state of mind at night?; less ambient light means more concentration on sounds instead of sights; different electrical characteristics while insulated from the sun...all these things add up!
it has to do with fewer draws on the power grid from the general public at night; more relaxed state of mind at night?; less ambient light means more concentration on sounds instead of sights; different electrical characteristics while insulated from the sun...all these things add up!