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Just put some of those in a guest bedroom. You will need a varilight pro dimmer with them (you can always just change the module if you already have a dimmer switch, they're better quality than the Click type but they are a bit taller, just check the measurements (156mm for the IP65 which is tall).
I suppose I should add following my recommending warm white lamps that I'm not a fan of the 4000k led lamps but you might like a blueish white light.
Cheers! As ever...
My bathroom is the size of a shoebox (a grotty one at that) so would not need many... something like these?
https://www.downlights.co.uk/downlights/philips-coreline-led-downlights.html