There's some evidence that you can trade roughly the time you spend in meditation at day as a decrease of sleep you need at night: http://www.ncbi.nlm.nih.gov/p

There's some evidence that you can trade roughly the time you spend in meditation at day as a decrease of sleep you need at night: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2919439/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2919439/ If that pans out, you'd get better mental well-being with the same amount of daily time for other stuff as you had before.