युक्ताहारविहारस्य युक्तचेष्टस्य कर्म्मसु ।
युक्तस्वप्नावबोधस्य योगो भवति दुःखहा ॥१७॥

yuktahara-viharasya yukta-chestasya karmasu
yukta-svapnavabodhasya yogo bhavati duhkha-ha [17]

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For a person who eats, relaxes, and works in a regulated way, and who keeps regular hours in proper measure, his practice of yoga dispells all his suffering.    

     

Bhagavad Gita 6-17