On Saturday, May 2, 2015 at 7:31:17 PM UTC+1, Bod wrote:
On 02/05/2015 18:43, alan_m wrote:
On 01/05/2015 20:04, EricP wrote:


It's a social club. Just the usual large room with dormer type windows
and a bar at one end.

Are you sure that its the lights and not a duff batch of beer?


Yes it does seem strange to get headaches from daylight bulbs. They have
a much better spectrum for the eyes.
It's certainly the first I've ever heard of getting headaches from them.

Your mixing up (correlated) Colour Temperature with Spectral Power Distribution, helped by suspect marketing.