Bhagavad Gita 6.17
But for him who regulates his food and recreation, who is balanced in action, in sleep, and in waking, it shall dispel all unhappiness.
युक्ताहारविहारस्य युक्तचेष्टस्य कर्मसु।
युक्तस्वप्नावबोधस्य योगो भवति दुःखहा॥yuktāhāravihārasya yuktaceṣṭasya karmasu|
yuktasvapnāvabodhasya yogo bhavati duḥkhahā||
English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).