Unless the snoring is really loud (above conversation level loud), I'd say it's uncalled for since snoring isn't not something people do on purpose. FWIW I'm snoring too but a gentle nudge will shut sleeping me up again (though I probably don't snore much louder than the background noise on aircrafts).

BTW: Earlier this week I was sitting at Al Mourjan in the main lounge area and a guy across the room was snoring. Due in parts to bad room acoustics, the snoring was similarly noisy as a car driving past you at 30 mph. Since it was in the middle of the night, I retreated to the quiet area rather than waking another passenger up. The lounge was pretty much deserted and I figured that I'd prefer him snoring in the main area rather than in the quiet zones/the business zone where I was planing to go anyway.