Figure 3From: Meditation acutely improves psychomotor vigilance, and may decrease sleep needAverage sleep duration for long-term meditators versus non-meditators in India. Meditators had significantly shorter sleep durations than non-meditators (5.2 versus 7.8 hours per day; F 1,28 = 54.183, p <<0.00001). Error bars denote one standard error.Back to article page