Getting a good night’s sleep is quickly becoming one of the top reasons to travel. One in four British people is now considering booking a holiday focused primarily on sleep, according to KAYAK, a travel search engine. Dubbed a sleepcation, this kind of holiday sees travellers opting for hotels with sleep-enhancing amenities like rejuvenating mattresses and pillow menus. Even if your accommodation doesn’t offer dedicated sleep services, there are some things you can keep in mind to make travelling more restful. Best destinations for a sleepcationKAYAK’s survey has found that 39 per cent of Bri…