* Agritourism in Italy : www.roterhahn.it

* rooms in Asia :  www.AsiaRooms.com

* sleeping on a budget : www.hostelworld.com

* discounts and good reviews: www.hotwire.com

* get more out of 'Airbnb': http://hostmaker.co/

* sleep for free or almost...: https://www.couchsurfing.org

* private holiday apartments for rent : www.9flats.com

* hostels and hotels worldwide : http://www.hostelbookers.com/

* great deals in the hostel world : http://www.hostels.com/

* luxury camping holiday : http://goglamping.net/

* sleep cheap in Asia : www.borntobunk.com

* http://www.laterooms.com/  : 'last-minute' in de hotels world ;  

* http://www.i-escape.com/  - '  beautiful boutique hotels, B&Bs and houses for rent, in some of the world's most stunning locations ... created by a small team of passionate travellers ';

* http://wwoofinternational.org/  - international site about volunteers that want to work on a organical farm; instead, you get accommodation and meals for free....a very budget way to sleep and travel and meet other cultures ;

* bad experiences in the hotel world : http://www.hotelchatter.com/story/2013/8/29/233345/451/hotels/Forget_Hotel_Hell,_Welcome_to_Hotel_Nightmares 

* blog over hotels where you can experience a nightmare (!) : http://hotelnightmares.com/ 

* compare more than 1 000 booking sites : http://www.hotelscombined.com/

* hostels in Sri Lanka : www.srilankahostels.com

*  http://www.hotels-scanner.com/

* design hostels in Europe: http://generatorhostels.com/en/#

* find cheap hotels : http://www.hotelscanners.com/

* your vacation in Europe, Asia, Africa, North America, South America and Australia...rent a  holiday apartments : https://www.housetrip.com/

* overnachten in een B & B, wereldwijd : https://www.bedandbreakfast.eu/

* don't forget Trivago - they look up 264 booking sites in a fraction of a second !