A hangover in Bali can be made harder by heat, humidity, poor sleep and a busy day ahead, especially if you also become dehydrated. Add arak cocktails, a late finish and four hours of broken sleep, and the recovery job is bigger than it would be at home. Most travellers reach for the same short list of fixes. Some genuinely help, some do nothing, and one or two make the morning worse. Here is an honest ranking, measured against what a hangover actually is. What a hangover act