The Night Shift

As a nurse, i worked many evening, night and double shifts in hospitals. My friends and I were obsessed with our sleep, or lack of it: How long did you sleep? Was it good? The body’s circadian rhythm — an internal biological clock that regulates a variety of functions — is easily interrupted by this kind of shift work, as well as by travel across time zones.

TAP Air Portugal’s Porto

When American travelers make plans to visit Portugal, Lisbon is usually their first stop.

Konstanz: Border Town