The reasons vary, from having too few vacation days available to lacking money for travel. But in some cases, it seems, many people just aren't getting into the habit of getting away.

A recent study by Orbitz, the online travel company, found a drop in the number of people taking three-week or two-week vacations and an increase in those taking a week or less. One-third of respondents said they took five or fewer days of vacation in the past year.

One in four of those surveyed said they felt their bosses did not encourage them to take vacations, and one in three said they stayed connected with their office via phone or computer while on holiday.

"Our sense is that people are busier than ever with their lives, their family activities, their kids," said Jeanenne Diefendorf of Orbitz. "So they find it difficult to take an extended vacation and easier to balance if they're only gone a couple of days."

Get the full story at msnbc