A career expert is weighing in on what you can do to beat your need for a nap at 3 p.m. — especially during the workday. As summer comes to a close, keeping up stamina on the job can be difficult.

We’ve all been there — it’s mid-afternoon, around 3 PM, and your energy dips hard. Your eyelids feel heavy, your focus wanes, and the afternoon slump seems almost inevitable. But what if you could ...