A bit of current through some tungsten makes for a much more pleasant light than LEDs. LEDs are not able to give a normal spectrum of white light - it's actually a mix of red, blue, maybe some green. And far too much blue content, and blue light scatters more, penetrates less, blinds/irritates animals more, as you've discovered.
LEDs of course require less power to run but battery technology has caught up and glow lamps should really come out of the cupboards now you no longer have to bring along a boy to carry the lead-acid accumulator.
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