Some people come back from their vacations feeling energized, refreshed, and raring to go — but, as it turns out, these people are the fortunate few. The reality is that within three days of their returns, more than half of employees feel their stress levels are as a high as ever — as if they had never even been on vacation.

https://www.recruiter.com/i/5-tips-for-beating-the-return-to-work-blues/