For most of human existence, listening was closely tied to moments that carried meaning, emotion or survival. Nature supplied the backdrop – wind, water, animals – and music surfaced in hunting ...

From 'sleep concierges' to mandatory WiFi cut-offs, hotels dedicated to restful repose are having a moment that needn't stop just because your holiday is over ...

Sleeping for only a few minutes at a time? While this might sound like a true ordeal for humans, it's no problem for some ...