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Related Experiment Video

Updated: Jun 19, 2026

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Published on: August 8, 2019

Making time off predictable--and required.

Leslie A Perlow¹, Jessica L Porter

¹Harvard Business School, Boston, USA. lperlow@hbs.edu

Harvard Business Review

|October 21, 2009

Summary

Professional services professionals can achieve high standards of service while ensuring planned, uninterrupted time off. Implementing predictable time off improves work-life balance without compromising client needs.

Area of Science:

Management Science
Organizational Behavior

Background:

The professional services industry often promotes a 24/7 work ethic, leading to extended hours and constant connectivity.
This perpetuates a cycle where constant responsiveness becomes expected by clients and ingrained in work culture.

Purpose of the Study:

To investigate if professionals can maintain high service standards while incorporating planned, uninterrupted time off.
To identify strategies for implementing predictable time off in professional service environments.

Main Methods:

Longitudinal research over four years in North American offices of the Boston Consulting Group (BCG).
Analysis of BCG's implementation of a "predictable time off" program.

Main Results:

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Experimental Paradigm for Measuring the Effects of Self-distancing in Young Children

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Consultants and professionals can provide high-quality service with planned, uninterrupted time off, even during economic downturns.

Key strategies include strict scheduling for time off, open communication about challenges, and fostering experimentation with work methods.

Conclusions:

A 24/7 work ethic is not essential for success in professional services.
Implementing structured, predictable time off is feasible and beneficial for both professionals and service quality.