Articles of the week

These are articles I read this week which were great:

The importance of a good night's sleep:
Katharine A. Craik explains the importance of sleep to the human being and what kind of factors that affect our sleep.

Tired of recruiting's broken image, AirBnB rewrites the playbook:

The article started with the story of Joe Gebbia, AirBnB founder, a graphic designer who couldn't get a job.