If you have ever taken a long-haul flight – one lasting anywhere from 4 to 17 or more hours – the prospect of taking another one anytime soon is likely not very appealing. If your upcoming long-haul flight will be a first, take heart in the fact that millions of people have gone before you, even if having become mentally, emotionally, and physically drained in the process.

The good news is that some of the more experienced travelers among us have learned to actually make these flights bearabl…