Research finds that employees who switch to a four-day workweek sleep an hour more than they did when working five days a week.

Hurricanes are powerful reminders that HR needs to be proactive in planning for emergencies that affect their workforce.

Two decades later, HR leaders are dealing with a different, more disruptive crisis but one that is also testing what it means to address employee needs.

'True business insight doesn't have to live in those silos,' one expert says.