Take 3: Hotels with 24-hour activities

Oberoi, Dubai
oberoihotels.com
This 252-room hotel has an all-night spa with treatments, including Ayurveda therapies, as well as 24-hour butler and concierge service. The fitness centre also runs around the clock and you can emerge for a free yoga class at 6am. The restaurant is also always open. Doubles from AED1,000 (€209, introductory offer).

Augarten Hotel Graz, Austria
augartenhotel.at
The leisure facilities here are open round-the-clock for anyone who fancies a midnight sauna or a swim in the indoor pool, which has an optional counter-
current. The hotel's Timeless bar lives up to its name, offering drinks and snacks whenever. Graz is a Unesco City of Design, which can be appreciated through floor- to-ceiling windows. Doubles from €89.

Claridge's, Mayfair, London
claridges.co.uk
If you're working through the night – engaging with your Oriental, American and Antipodean opposites in real-time – try these regal surroundings designed by David Linley. The Map Room, for business travellers, is a place in which to catch up on emails, check market movements or meet clients. It is designed to evoke transatlantic liners. Doubles from £300 (€348).