Insomnia can effect strange experiments at the witching hour. I have green eyes. I just put on some very strong, brown shaded sunglasses to test this brown colour theory. I walked outside and couldn't see anything. <img src="/images/graemlins/cool.gif" alt="" /> A look at how some migratory peoples travel is illuminating to both blue and brown eyed readers. Day is diurnal, night nocturnal. There are also two interphases that correspond to the sunrise and sunset hours, said terms escaping me at this hour. The old romantic irish term was called 'between the lights', refering to sun and moon when the passage between worlds is open. This also corresponds to general mischief. Many desert people will travel during these periods. The temperatures are niether to hot nor cold, there is sufficient illumination for travel, most of the night or dayshift of predators is off the clock, while many small prey animals use this brief period to migrate,drink or feed. It's a good time to observe the world in general,akin to driving into work early ahead of traffic. People in a survival situation are allready stressed physically and emotionally. Night travel should be done in small increments, letting the body's internal clock reset itself, which mine is about t..........zzzzzzzzzzzzz