A blue light is also good for dealing with jet lag. Here's one from Philips that has a rechargeable battery and is portable: http://www.truesunmedical.com/blue

A blue light is also good for dealing with jet lag. Here's one from Philips that has a rechargeable battery and is portable: http://www.truesunmedical.com/blue-light/53-philips-golite-blu-sad-light.html http://www.truesunmedical.com/blue-light/53-philips-golite-b...