If we slowed this down, even doing it with far less frequency but doing it for greater lengths of time when done, all these pleasures and benefits remain. (treehugger.com)
21, 30 and 40 days are all great lengths of time to consider when picking a duration for your practice. (mindbodygreen.com)
No need to stand over an oven or grill for great lengths of time. (azgrabaplate.com)